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US3757643A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoflash apparatus

Assignee: Polaroid Corp
•
Filing: 1972-01-31
•
Granted: 1973-09-11
•
Expires: 1992-01-31
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Abstract

Abstract A flash socket assembly for use with a camera having an exposure control circuit convertible between ambient and flash modes of operation, and a flash assembly especially adapted for use therewith. The flash assembly includes a connector having a set of terminals for a photoflash lamp and an electrically conductive strip. The strip is adapted to bridge a pair of spaced contacts in the socket assembly to convert the exposure control circuit of the camera from an ambient mode of operation to a flash mode of operation upon coupling the flash assembly to the socket assembly.

Inventors

  • 👤 J Burgarella

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:44
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0452; G03B15/0457; G03B15/041; G03B15/0426

Claims Analysis

Total Claims: 52
Claim 1
Independent Claim 245 words
Photographic apparatus comprising: a device including means for supporting a source of artificial illumination; connector means extending from said supporting means; terminal means mounted on said connector means to be electrically coupled to the source of artificial illumination when the source of artificial illumination is supported on said supporting means; and electrically conductive means mounted on said connector means; and a camera including means for exposing a photosensive element; an exposure control circuit operatively coupled to said exposing means for controlling the amount of light admitted into said camera by said exposing means, said exposure control circuit being convertible between a first mode of operation wherein ambient light is utilized to expose a photosensitive element and a second mode of operation wherein the source of artificial illumination is utilized for the exposure; means for receiving said connector means, said receiving means including first and second means for making electrical contact with said terminal means and said electrically conductive means, respectively, upon coupling said connector means to said receiving means, said second means comprising spaced contacts connected to said exposure control circuit, said electrical contact between said first means and Said terminal means being effective to electrically couple the source of artificial illumination to a firing circuit and said electrical contact between said second means and said electrically conductive means being effective to electrically connect said spaced contacts to convert said exposure control circuit from said first mode of operation to said second mode of operation.
Claim 2
Dependent Claim 245 words
Photographic apparatus comprising: a device including means for supporting a source of artificial illumination; connector means extending from said supporting means; terminal means mounted on said connector means to be electrically coupled to the source of artificial illumination when the source of artificial illumination is supported on said supporting means; and electrically conductive means mounted on said connector means; and a camera including means for exposing a photosensive element; an exposure control circuit operatively coupled to said exposing means for controlling the amount of light admitted into said camera by said exposing means, said exposure control circuit being convertible between a first mode of operation wherein ambient light is utilized to expose a photosensitive element and a second mode of operation wherein the source of artificial illumination is utilized for the exposure; means for receiving said connector means, said receiving means including first and second means for making electrical contact with said terminal means and said electrically conductive means, respectively, upon coupling said connector means to said receiving means, said second means comprising spaced contacts connected to said exposure control circuit, said electrical contact between said first means and Said terminal means being effective to electrically couple the source of artificial illumination to a firing circuit and said electrical contact between said second means and said electrically conductive means being effective to electrically connect said spaced contacts to convert said exposure control circuit from said first mode of operation to said second mode of operation.
Claim 3
Dependent Claim 25 words
Photographic apparatus as defined in claim 1 wherein said pair of spaced contacts are mounted in position for sliding engagement with said electrically conductive means.
Claim 4
Dependent Claim 23 words
Photographic apparatus as defined in claim 1 wherein said receiving means includes means for preventing movement of said spaced contacts toward each other.
Claim 5
Dependent Claim 39 words
Photographic apparatus as defined in claim 1 wherein said spaced contacts are resiliently biased into engagement with said electrically conductive means on said connector means to assist in retaining the coupling between said receiving means and said connector means.
Claim 6
Dependent Claim 62 words
Photographic apparatus as defined in claim 1 wherein said first and second means are mounted in position to be simultaneously engaged by said terminal means and said electrically conductive means, respectively, upon coupling said connector means to said receiving means thereby insuring operation of said camera in the second mode only when said first means are in engagement with said terminal mans.
Claim 7
Dependent Claim 36 words
Photographic apparatus as defined in claim 1 wherein said device includes a plurality of photoflash lamps of common orientation and said receiving means includes means for preventing rotation of said device relative to said receiving means.
Claim 8
Dependent Claim 18 words
Photographic apparatus as defined in claim 1 wherein said connector means includes a pair of spaced connector blades.
Claim 9
Dependent Claim 189 words
Photographic apparatus comprising: a device including means for supporting a source of artificial illumination; connector means extending from said support means; terminal means including a ground lead, mounted on said connector means and coupled to the source of artificial illumination; and electrically conductive means mounted on said connector means, said electrically conductive means being electrically coupled to said ground lead; and a camera including means for exposing a photosensitive element; an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized to expose a photosensitive element and a second mode of operation wherein the source of artificial illumination is utilized for the exposure; means for receiving said connector means, said receiving means including first and second means coupled to said exposure control circuit, said first and second means be adapted, upon coupling said device to said receiving means, to make electrical contact with said terminal means including said ground lead and with said electrically conductive means, respectively, whereby the source of artificial illumination is electrically coupled to a flash firing circuit and said exposure control circuit is converted to said second mode of operation.
Claim 10
Dependent Claim 189 words
Photographic apparatus comprising: a device including means for supporting a source of artificial illumination; connector means extending from said support means; terminal means including a ground lead, mounted on said connector means and coupled to the source of artificial illumination; and electrically conductive means mounted on said connector means, said electrically conductive means being electrically coupled to said ground lead; and a camera including means for exposing a photosensitive element; an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized to expose a photosensitive element and a second mode of operation wherein the source of artificial illumination is utilized for the exposure; means for receiving said connector means, said receiving means including first and second means coupled to said exposure control circuit, said first and second means be adapted, upon coupling said device to said receiving means, to make electrical contact with said terminal means including said ground lead and with said electrically conductive means, respectively, whereby the source of artificial illumination is electrically coupled to a flash firing circuit and said exposure control circuit is converted to said second mode of operation.
Claim 11
Dependent Claim 23 words
Photographic apparatus as defined in claim 8 wherein said second means is mounted in position for sliding engagement with said electrically conductive means.
Claim 12
Dependent Claim 24 words
Photographic apparatus as defined in claim 8 wherein said receiving means includes means for preventing movement of said second means toward said first means.
Claim 13
Dependent Claim 35 words
Photographic apparatus as defined in claim 8 wherein said second means is resiliently biased into engagement with said electrically conductive means to assist in retaining the coupling between said receiving means and said connector means.
Claim 14
Dependent Claim 50 words
Photographic apparatus as defined in claim 8 wherein said first and second means are mounted in position for simultaneous engagement with said terminal means and said electrically conductve means whereby firing of said photoflash lamp is possible only when said exposure control circuit is in said second mode of operation.
Claim 15
Dependent Claim 36 words
PhotogrAphic apparatus as defined in claim 8 wherein said device includes a plurality of photoflash lamps of common orientation and said receiving means includes means for preventing rotation of said device relative to said receiving means.
Claim 16
Dependent Claim 18 words
Photographic apparatus as defined in claim 8 wherein said connector means includes a pair of spaced connector blades.
Claim 17
Dependent Claim 212 words
For use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receivng a device for supporting a source of artificial illumination having a support from which extends a connector carrying a set of terminals for the source of artificial illumination and electrically conductive means for bridging a pair of spaced contacts in the exposure control circuit to automatically change the operation thereof from the first mode of operation to the second mode of operation upon coupling the device to said socket assembly, said socket assembly comprising: means for receiving the connector of the device and guiding the connector into a predetermined operative position; first means for making electrical contact with the terminals on the connector; and second means comprising a pair of spaced contacts coupled to the exposure control circuit and mounted in position to be bridged by the electrically conductive means on the connector for electrically coupling said pair of contacts to each other to change the exposure control circuit of the photographic camera from the first mode of operation to the second mode of operation.
Claim 18
Dependent Claim 212 words
For use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receivng a device for supporting a source of artificial illumination having a support from which extends a connector carrying a set of terminals for the source of artificial illumination and electrically conductive means for bridging a pair of spaced contacts in the exposure control circuit to automatically change the operation thereof from the first mode of operation to the second mode of operation upon coupling the device to said socket assembly, said socket assembly comprising: means for receiving the connector of the device and guiding the connector into a predetermined operative position; first means for making electrical contact with the terminals on the connector; and second means comprising a pair of spaced contacts coupled to the exposure control circuit and mounted in position to be bridged by the electrically conductive means on the connector for electrically coupling said pair of contacts to each other to change the exposure control circuit of the photographic camera from the first mode of operation to the second mode of operation.
Claim 19
Dependent Claim 29 words
A socket assembly as defined in claim 15 wherein said pair of spaced contacts are mounted in position for sliding engagement with the electrically conductive member on the connector.
Claim 20
Dependent Claim 33 words
A socket assembly as defined in claim 15 wherein said second means include resilient means for exerting a predetermined loading on the connector to assist in retaining the device in said operative position.
Claim 21
Dependent Claim 25 words
A socket assembly as defined in claim 15 wherein said socket assembly further includes means for preventing movement of said spaced contacts toward each other.
Claim 22
Dependent Claim 53 words
A socket assembly as defined in claim 15 wherein said first and second means are mounted in position to simultaneously engage the terminals and electrically conductive means on the connector, respectively, thereby insuring operation of the camera in said second mode only when said first means are in electrical engagement with the terminals.
Claim 23
Dependent Claim 35 words
A socket assembly as defined in claim 15 further including closure means movable to a position covering said first and second means in response to uncoupling the connector of the device from said socket assembly.
Claim 24
Dependent Claim 164 words
For use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receiving a device having a support for supporting a source of artificial illumination, a connector carrying a set of terminals including a ground lead electrically connectable to the source of artificial illumination and electrically conductive means electrically coupled to said ground lead, said socket assembly comprising: means for receiving the connector of the device and guiding the connector into a predetermined operative position within said socket assembly; first means for making electrical contact with the terminals including said common ground; and second means mounted in position to be engaged by the electrically conductive means on the connector upon coupling of the latter to said receiving means to convert the exposure control circuit to said second mode of operation.
Claim 25
Dependent Claim 164 words
For use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receiving a device having a support for supporting a source of artificial illumination, a connector carrying a set of terminals including a ground lead electrically connectable to the source of artificial illumination and electrically conductive means electrically coupled to said ground lead, said socket assembly comprising: means for receiving the connector of the device and guiding the connector into a predetermined operative position within said socket assembly; first means for making electrical contact with the terminals including said common ground; and second means mounted in position to be engaged by the electrically conductive means on the connector upon coupling of the latter to said receiving means to convert the exposure control circuit to said second mode of operation.
Claim 26
Dependent Claim 24 words
A socket assembly as defined in claim 21 wHerein said second means is mounted in position for sliding engagement by the electrically conductive means.
Claim 27
Dependent Claim 33 words
A socket assembly as defined in claim 21 wherein said second means includes resilient means for exerting a predetermined loading on the connector to assist in retaining the device in said socket assembly.
Claim 28
Dependent Claim 26 words
A socket assembly as defined in claim 21 wherein said receiving means includes means for preventing movement of said first and second means toward each other.
Claim 29
Dependent Claim 49 words
A socket assembly as defined in claim 21 wherein said first and second means are mounted in position for simultaneous engagement with the terminals and electrically conductive means thereby insuring operation of the camera in the second mode only when said first means are in engagement with the terminals.
Claim 30
Dependent Claim 47 words
A socket assembly as defined in claim 21 further including closure means mounted in covering relation to said first and second means, said closure means being movable in response to coupling the connector of the device to the receiving means for uncovering said first and second means.
Claim 31
Dependent Claim 226 words
For use with a photographic camera having an exposure control circuit convertible between a frist mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receiving a device having a support structure for supporting a source of artificial illumination, a connector blade carrying electrical terminals for the source of artificial illumination and conductor means for bridging a pair of spaced contacts coupled to the exposure control circuit to automatically change the operation thereof from the first mode of operation to the second mode of operation upon insertion of the connector blade into said socket assembly, said socket assembly comprising: blade support means for nonrotatably supporting the connector blade of the device in a predetermined operative position with said socket assembly; first means for making electrical contact with the terminals on the connector blade upon insertion of the connector blade into said socket assembly; and second means comprising a pair of spaced contacts coupled to the exposure control circuit, said pair of contacts being mounted in position to be bridged by the conductor means on the connector blade for electrically coupling said pair of contacts to each other to convert the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 32
Dependent Claim 226 words
For use with a photographic camera having an exposure control circuit convertible between a frist mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein artificial illumination is utilized for exposure, a socket assembly for receiving a device having a support structure for supporting a source of artificial illumination, a connector blade carrying electrical terminals for the source of artificial illumination and conductor means for bridging a pair of spaced contacts coupled to the exposure control circuit to automatically change the operation thereof from the first mode of operation to the second mode of operation upon insertion of the connector blade into said socket assembly, said socket assembly comprising: blade support means for nonrotatably supporting the connector blade of the device in a predetermined operative position with said socket assembly; first means for making electrical contact with the terminals on the connector blade upon insertion of the connector blade into said socket assembly; and second means comprising a pair of spaced contacts coupled to the exposure control circuit, said pair of contacts being mounted in position to be bridged by the conductor means on the connector blade for electrically coupling said pair of contacts to each other to convert the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 33
Dependent Claim 38 words
A socket assembly as defined in claim 27 wherein said pair of contacts are mounted in position for sliding engagement by the conductor means on the connector blade upon the insertion of the latter into said socket assembly.
Claim 34
Dependent Claim 39 words
A socket assembly as defined in claim 27 wherein said second means include resilient means for exerting a predetermined loading on the connector blade to assist in retaining the device in its operative position relative to said socket assembly.
Claim 35
Dependent Claim 25 words
A socket assembly as defined in claim 27 wherein said socket assembly further includes means for preventing movement of said spaced contacts toward each other.
Claim 36
Dependent Claim 55 words
A socket assembly as defined in claim 27 further including means for mounting said first and second means in position for simultaneous engagement with the terminals and conductor means, respectively, on the connector blade thereby insuring operation of the camera in the second mode only when said first means are in engagement with the terminals.
Claim 37
Dependent Claim 47 words
A socket assembly as defined in claim 27 further including closure means mounted in covering relation to said first and second means, said closure means being movable in response to coupling of the connector blade to said blade support means for uncovering said first and second means.
Claim 38
Dependent Claim 35 words
A socket assembly as defined in claim 32 wherein said closure means is movable to a position covering said first and second means in response to uncoupling the connector Blade from said blade support means.
Claim 39
Independent Claim 148 words
A device for use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein a source of artificial illumination is utilized for exposure, comprising: support means for supporting a source of artificial illumination; connector means extending from said support means for operatively connecting said device to a photographic camera; terminal means mounted on said connector means and operatively connectable to the source of artificical illumination; and electrically conductive means mounted on said connector means, said electrically conductive means being constructed and arranged to bridge a pair of spaced contacts coupled to the exposure control circuit upon connection of said device to the camera to change the operation of the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 40
Independent Claim 148 words
A device for use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein a source of artificial illumination is utilized for exposure, comprising: support means for supporting a source of artificial illumination; connector means extending from said support means for operatively connecting said device to a photographic camera; terminal means mounted on said connector means and operatively connectable to the source of artificical illumination; and electrically conductive means mounted on said connector means, said electrically conductive means being constructed and arranged to bridge a pair of spaced contacts coupled to the exposure control circuit upon connection of said device to the camera to change the operation of the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 41
Dependent Claim 69 words
A device as defined in claim 34 further including means for mounting said electrically conductive means on said connector means in position for engagement with the pair of spaced contacts substantially at the instant that said terminal means are electrically coupled to a photoflash firing circuit, thereby insuring the firing of the source of artificial illumination only when the exposure control circuit is in the second mode of operation.
Claim 42
Dependent Claim 26 words
A device as defined in claim 34 wherein said connector means includes a pair of spaced members adapted to straddle a housing section of the camera.
Claim 43
Independent Claim 161 words
A device for use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein a source of artificial illumination is utilized for exposure, comprising: support means for supporting a source of artificial illumination; connector means extending from said support means for operatively connecting said device to a photographic camera; terminal means mounted on said connector means and operatively connectable to the source of artificial illumination; and electrically conductive means mounted on said connector means and electrically coupled to said terminal means, said electrically conductive means and one of said terminal means being constructed and arranged to bridge a pair of spaced contacts coupled to the exposure control circuit upon connection of said device to the camera to change the operation of the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 44
Independent Claim 161 words
A device for use with a photographic camera having an exposure control circuit convertible between a first mode of operation wherein ambient light is utilized for exposure of a photosensitive element and a second mode of operation wherein a source of artificial illumination is utilized for exposure, comprising: support means for supporting a source of artificial illumination; connector means extending from said support means for operatively connecting said device to a photographic camera; terminal means mounted on said connector means and operatively connectable to the source of artificial illumination; and electrically conductive means mounted on said connector means and electrically coupled to said terminal means, said electrically conductive means and one of said terminal means being constructed and arranged to bridge a pair of spaced contacts coupled to the exposure control circuit upon connection of said device to the camera to change the operation of the exposure control circuit from the first mode of operation to the second mode of operation.
Claim 45
Dependent Claim 76 words
A device as defined in claim 37 further including means for mounting said electrically conductive means and said one terminal means on said connector means in position for engagement with the pair of spaced contacts substantially at the instant that the remainder of said terminal means are electrically coupled to a firing circuit, thereby insuring the firing of the source of artificial illumination only when the exposure control circuit is in the second mode of operation.
Claim 46
Dependent Claim 27 words
A flash assembly as defined in claim 37 wherein said connector means includes a pair of spaced members adapted to straddle a housing section of the camera.
Claim 47
Dependent Claim 215 words
A camera for use with an assembly including first means for supporting a normally inactive source of artificial illumination, connector means extending from the supporting means, terminal means mounted on the connector means for connection with the source of artificial illumination, and an electrical conducting strip mounted on the connector means, the electrical conducting strip being configured so as not to be in electrical communication with the terminal means and the source of artificial illumination when the source is supported on the first means, said camera inluding: second means for receiving the connector means; third Means for performing an ambient light mode photographic program, said third means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing the source of artificial illumination; and normally inoperative fourth means for facilitating the input of the electrical energy input to said third means, said fourth means comprising a pair of spaced contacts coupled to said third means and located to be electrically coupled together by the conducting strip when the assembly is mounted on said camera with its connector means positioned in said second means, thereby rendering said fourth means operative to convert said third means to the artificial light mode photographic program.
Claim 48
Dependent Claim 215 words
A camera for use with an assembly including first means for supporting a normally inactive source of artificial illumination, connector means extending from the supporting means, terminal means mounted on the connector means for connection with the source of artificial illumination, and an electrical conducting strip mounted on the connector means, the electrical conducting strip being configured so as not to be in electrical communication with the terminal means and the source of artificial illumination when the source is supported on the first means, said camera inluding: second means for receiving the connector means; third Means for performing an ambient light mode photographic program, said third means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing the source of artificial illumination; and normally inoperative fourth means for facilitating the input of the electrical energy input to said third means, said fourth means comprising a pair of spaced contacts coupled to said third means and located to be electrically coupled together by the conducting strip when the assembly is mounted on said camera with its connector means positioned in said second means, thereby rendering said fourth means operative to convert said third means to the artificial light mode photographic program.
Claim 49
Dependent Claim 209 words
Photographic apparatus comprising: a device including first means for supporting a normally inactive soruce of artificial illumination; connector means extending from said supporting means; terminal means mounted on said connector means for connection with the source of artificial illumination; and an electrically conducting strip mounted on said connector means and configured so as not to be in electrical communication with said terminal means and the source of artificial illumination when the source is supported on said first means; and a camera including second means for receiving said connector means; third means for performing an ambient light mode photographic program, said third means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing the source of artificial illumination; and normally inoperative fourth means for facilitating the input of said electrical energy to said third means, said fourth means comprising a pair of spaced contacts coupled to said third means and located to be electrically coupled together by said conducting strip when said device is mounted on said camera with said connector means positioned in said second means, thereby rendering said fourth means operative to convert said third means to the artificial light mode photographic program.
Claim 50
Dependent Claim 209 words
Photographic apparatus comprising: a device including first means for supporting a normally inactive soruce of artificial illumination; connector means extending from said supporting means; terminal means mounted on said connector means for connection with the source of artificial illumination; and an electrically conducting strip mounted on said connector means and configured so as not to be in electrical communication with said terminal means and the source of artificial illumination when the source is supported on said first means; and a camera including second means for receiving said connector means; third means for performing an ambient light mode photographic program, said third means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing the source of artificial illumination; and normally inoperative fourth means for facilitating the input of said electrical energy to said third means, said fourth means comprising a pair of spaced contacts coupled to said third means and located to be electrically coupled together by said conducting strip when said device is mounted on said camera with said connector means positioned in said second means, thereby rendering said fourth means operative to convert said third means to the artificial light mode photographic program.
Claim 51
Dependent Claim 198 words
Photographic apparatus for use with a camera including first means for receiving a connector, second means for performing an ambient light mode photographic program, the second means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing an externally mounted source of artificial illumination, and normally inoperable third means for facilitating the input of the given electrical energy input to the second means, the third means comprising electrical communicating means, said photographic apparatus comprising: means for supporting a normally inactive source of artificial illumination; connector means extending from said supporting means and configured to be received in the first means of the camera and electrical conducting means mounted on said connector, said electrical conducting means being configured so as not to be in electrical communication with the source of artificial illumination when the source is supported on said first means, said electrical conducting means further being configured to be accessible for electrical communication with the electrical communicating means of the camera when said apparatus is mounted in the first means of the camera to thereby render the third means of the camera operable.
Claim 52
Dependent Claim 198 words
Photographic apparatus for use with a camera including first means for receiving a connector, second means for performing an ambient light mode photographic program, the second means being selectively convertible, at least in part responsive to a given electrical energy input, to means for performing an artificial light mode photographic program employing an externally mounted source of artificial illumination, and normally inoperable third means for facilitating the input of the given electrical energy input to the second means, the third means comprising electrical communicating means, said photographic apparatus comprising: means for supporting a normally inactive source of artificial illumination; connector means extending from said supporting means and configured to be received in the first means of the camera and electrical conducting means mounted on said connector, said electrical conducting means being configured so as not to be in electrical communication with the source of artificial illumination when the source is supported on said first means, said electrical conducting means further being configured to be accessible for electrical communication with the electrical communicating means of the camera when said apparatus is mounted in the first means of the camera to thereby render the third means of the camera operable.

References Cited (Backward Citations)

US3113495A Cited
US3406619A Cited
US3430545A Cited
US3633476A Cited
US3598985A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-09-10 1977-03-12 1977-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-10 1981-03-12 1981-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-10 1985-03-12 1985-09-11 $7700.00 Window Closed / Lapsed

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