US4449805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data registration device
Assignee: Canon Inc
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Filing: 1981-07-20
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Granted: 1984-05-22
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Expires: 2001-07-20
Abstract
Abstract In the disclosed arrangement, a data set separate from a camera includes a set of sequentially actuable numeric entry keys for entering numerical data representing various camera functions into a data control device which transmits data for energizing numerical illuminators at the film plane of a camera through a connecting element.
Inventors
- 👤 Nobuaki Sakurada
- 👤 Masaharu Kawamura
- 👤 Shohei Ohtaki
- 👤 Soichi Nakamoto
- 👤 Nobuhiko Shinoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B17/245; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243; G03B2217/246
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
247 words
For a camera with a release and defining a film recording location, a camera data recording system, comprising: (a) ten-key means to set numerical information, (b) blank information setting means to set blank space information, (c) a memory circuit for memorizing the numerical information and the blank information, said memory circuit having a plurality of memory portions, (d) a light emitting display circuit for directing the numerical information memorized in said memory circuit toward the recording location, said display circuit having a plurality of alpha-numeric display elements which can emit light for displaying the numerical information with a plurality of digits, each of the display elements being arranged to display numerical information memorized in a prescribed memory portion, and (e) a control circuit having a programming portion containing a program for controlling the recording of data, said program containing an instruction to have the numerical information and the blank space information memorized in prescribed memory portions in sequence as the ten-key means and the blank information setting means are operated, and an instruction to have the numerical information recorded on the recording surface with the numerical information memorized in each memory portion displayed by a prescribed alpha-numeric display element designated by each memory portion in response to a release action of the camera and, at the same time, to have the blank space information prevent the display element assigned to the memory portion in which said blank space information is memorized from performing a light emitting operation.
Claim 2
Dependent Claim
247 words
For a camera with a release and defining a film recording location, a camera data recording system, comprising: (a) ten-key means to set numerical information, (b) blank information setting means to set blank space information, (c) a memory circuit for memorizing the numerical information and the blank information, said memory circuit having a plurality of memory portions, (d) a light emitting display circuit for directing the numerical information memorized in said memory circuit toward the recording location, said display circuit having a plurality of alpha-numeric display elements which can emit light for displaying the numerical information with a plurality of digits, each of the display elements being arranged to display numerical information memorized in a prescribed memory portion, and (e) a control circuit having a programming portion containing a program for controlling the recording of data, said program containing an instruction to have the numerical information and the blank space information memorized in prescribed memory portions in sequence as the ten-key means and the blank information setting means are operated, and an instruction to have the numerical information recorded on the recording surface with the numerical information memorized in each memory portion displayed by a prescribed alpha-numeric display element designated by each memory portion in response to a release action of the camera and, at the same time, to have the blank space information prevent the display element assigned to the memory portion in which said blank space information is memorized from performing a light emitting operation.
Claim 3
Dependent Claim
133 words
For a camera with a release and for use with a film, a camera data recording system, comprising: (a) information setting means to set numerical information, (b) a memory circuit to memorize the information set by said setting means, (c) data recording light emitting means to record the numerical information set in said memory circuit onto the film when the film is mounted therein, (d) a data recording circuit for driving said light emitting means to effect a data recording operation, the control circuit having an incrementing function to increase values memorized in said memory circuit after the data recording operation is performed and a decrementing function to decrease values memorized in said memory circuit after the data recording operation is performed, and (e) selecting means for selecting said increment or decrement function.
Claim 4
Dependent Claim
133 words
For a camera with a release and for use with a film, a camera data recording system, comprising: (a) information setting means to set numerical information, (b) a memory circuit to memorize the information set by said setting means, (c) data recording light emitting means to record the numerical information set in said memory circuit onto the film when the film is mounted therein, (d) a data recording circuit for driving said light emitting means to effect a data recording operation, the control circuit having an incrementing function to increase values memorized in said memory circuit after the data recording operation is performed and a decrementing function to decrease values memorized in said memory circuit after the data recording operation is performed, and (e) selecting means for selecting said increment or decrement function.
Claim 5
Dependent Claim
125 words
A camera data recording system, comprising: (a) information setting means to set numerical information, (b) a memory circuit for memorizing the information set by said setting means, (c) data recording light emitting display means to record the numerical information set in said memory circuit onto a location for a film surface, (d) a data recording control circuit having a timer circuit to be activated in response to a camera release for generating an output for a prescribed length of time, and a driving circuit for activating said light emitting display means in response to the output of said timer circuit, and (e) a decrementing circuit for detecting the completion of the operation of said timer circuit and decrementing the value memorized in said memory circuit.
Claim 6
Dependent Claim
125 words
A camera data recording system, comprising: (a) information setting means to set numerical information, (b) a memory circuit for memorizing the information set by said setting means, (c) data recording light emitting display means to record the numerical information set in said memory circuit onto a location for a film surface, (d) a data recording control circuit having a timer circuit to be activated in response to a camera release for generating an output for a prescribed length of time, and a driving circuit for activating said light emitting display means in response to the output of said timer circuit, and (e) a decrementing circuit for detecting the completion of the operation of said timer circuit and decrementing the value memorized in said memory circuit.
Claim 7
Dependent Claim
172 words
A camera data recording system, comprising: (a) a ten-key device to set numerical information, (b) a blank key to set blank information, (c) a memory circuit having a plurality of memory means to memorize the numerical information set by the ten-key device and the blanking information set by the blank key, respectively, (d) a light emitting display circuit to direct said numerical information onto a film location, said circuit having a plurality of alpha-numeric display elements which illuminatedly display each of the numerical information memorized in prescribed memory means, and (e) a control circuit to cause the numerical information and blank information to be pressed memorized in the prescribed memory means one after another in the sequence when the ten-key device and the blank key are depressed, the memorized numerical information being arranged to be displayed by the display elements designated by said memory means, while the display element designated by the memory means in which the blank information is memorized is arranged to be prevented from performing a light emitting operation.
Claim 8
Dependent Claim
172 words
A camera data recording system, comprising: (a) a ten-key device to set numerical information, (b) a blank key to set blank information, (c) a memory circuit having a plurality of memory means to memorize the numerical information set by the ten-key device and the blanking information set by the blank key, respectively, (d) a light emitting display circuit to direct said numerical information onto a film location, said circuit having a plurality of alpha-numeric display elements which illuminatedly display each of the numerical information memorized in prescribed memory means, and (e) a control circuit to cause the numerical information and blank information to be pressed memorized in the prescribed memory means one after another in the sequence when the ten-key device and the blank key are depressed, the memorized numerical information being arranged to be displayed by the display elements designated by said memory means, while the display element designated by the memory means in which the blank information is memorized is arranged to be prevented from performing a light emitting operation.
Claim 9
Dependent Claim
123 words
A camera data recording system, comprising: (a) a ten-key device to set numerical data, (b) a dial device to set numerical data, (c) a memory circuit to memorize the numerical information set by one of said ten-key device and said dial device, (d) light emitting display means to direct the numerical information memorized in said memory circuit onto a film location, (e) a timer circuit to be activated in response to a camera release for generating an output for a prescribed length of time so as to activate said light emitting display means for the prescribed length of time, and (f) an incrementing circuit for detecting the completion of operation of the timer circuit to increment the value memorized in said memory circuit.
Claim 10
Dependent Claim
123 words
A camera data recording system, comprising: (a) a ten-key device to set numerical data, (b) a dial device to set numerical data, (c) a memory circuit to memorize the numerical information set by one of said ten-key device and said dial device, (d) light emitting display means to direct the numerical information memorized in said memory circuit onto a film location, (e) a timer circuit to be activated in response to a camera release for generating an output for a prescribed length of time so as to activate said light emitting display means for the prescribed length of time, and (f) an incrementing circuit for detecting the completion of operation of the timer circuit to increment the value memorized in said memory circuit.
Claim 11
Dependent Claim
75 words
A camera data recording system, comprising: a recording display portion for recording data on a film surface; a monitoring display portion for displaying the data; a module containing a driving portion for driving the recording and monitoring display portions, said module having an upper surface and a lower surface, the module having a display of the monitoring display portion on the upper surface and a display of the recording display portion on the lower surface.
Claim 12
Dependent Claim
75 words
A camera data recording system, comprising: a recording display portion for recording data on a film surface; a monitoring display portion for displaying the data; a module containing a driving portion for driving the recording and monitoring display portions, said module having an upper surface and a lower surface, the module having a display of the monitoring display portion on the upper surface and a display of the recording display portion on the lower surface.
Claim 13
Dependent Claim
120 words
A camera data recording system, comprising: (a) a counting circuit for counting signals participating in the exposure action of the camera, said circuit comprising a plurality of digits and counting from a lower digit to a higher digit or from a higher digit to a lower digit; (b) display means for recording the contents of the counting circuit; (c) selection means for selecting a predetermined digit of the counting circuit; and (d) a control circuit connected to the counting circuit and the selection means, said control circuit prohibiting the counting operation from proceeding from a digit selected by the selection means to a higher digit when the content of the counting circuit reaches the digit selected by the counting operation.
Claim 14
Dependent Claim
120 words
A camera data recording system, comprising: (a) a counting circuit for counting signals participating in the exposure action of the camera, said circuit comprising a plurality of digits and counting from a lower digit to a higher digit or from a higher digit to a lower digit; (b) display means for recording the contents of the counting circuit; (c) selection means for selecting a predetermined digit of the counting circuit; and (d) a control circuit connected to the counting circuit and the selection means, said control circuit prohibiting the counting operation from proceeding from a digit selected by the selection means to a higher digit when the content of the counting circuit reaches the digit selected by the counting operation.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |