US4864340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control device having an energy source charged by a camera
Assignee: Canon Inc
•
Filing: 1987-12-08
•
Granted: 1989-09-05
•
Expires: 2007-12-08
Abstract
Abstract A remote control device has a transmitter provided with a transmission circuit for producing a remote control signal, a first capacitor of small capacity upon discharging to drive the transmission circuit, a second capacitor of large capacity upon discharging to charge the first capacitor, and a pair of terminals for charging the second capacitor from the outside of the transmitter.
Inventors
- 👤 Yoshiyuki Kaneko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/38
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
73 words
A transmitter of a remote control device mountable and detachable from a camera, comprising: input means for taking in energy from the camera when the transmitter is mounted on the camera, said input means taking in no energy from the camera when the transmitter is detached from the camera, and, storing means for storing the energy taken in by the input means from the camera to drive the transmitter with the stored energy.
Claim 2
Dependent Claim
73 words
A transmitter of a remote control device mountable and detachable from a camera, comprising: input means for taking in energy from the camera when the transmitter is mounted on the camera, said input means taking in no energy from the camera when the transmitter is detached from the camera, and, storing means for storing the energy taken in by the input means from the camera to drive the transmitter with the stored energy.
Claim 3
Dependent Claim
31 words
A device according to claim 1, wherein said input means includes a terminal to be connected with a terminal on the camera side when the transmitter is mounted on the camera.
Claim 4
Dependent Claim
18 words
A device according to claim 1, wherein said storing means includes charging means for accepting an electric charge.
Claim 5
Dependent Claim
54 words
A device according to claim 3, wherein said charging means includes first charging means for accepting the electric charge taken in by the input means, and second charge means to be charged by said first charge means to drive the transmitter, said first charge means having a larger capacity than said second charge means.
Claim 6
Dependent Claim
30 words
A device according to claim 4, further comprising a transmitting portion to transmit a remote control signal, said transmitting portion being driven by current discharged by said second charge means.
Claim 7
Dependent Claim
31 words
A device according to claim 4, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the camera.
Claim 8
Dependent Claim
13 words
A device according to claim 1, wherein said storing means comprises a capacitor.
Claim 9
Dependent Claim
51 words
A device according to claim 7, wherein said capacitor includes a first capacitor for storing the energy taken in by the input means, and a second capacitor to be charged with energy by the first capacitor to drive the transmitter, said first capacitor having a larger capacity than said second capacitor.
Claim 10
Dependent Claim
30 words
A device according to claim 8, further comprising a transmitting portion for transmitting a remote control signal, said transmitting portion being driven by the energy stored in said second capacitor.
Claim 11
Dependent Claim
31 words
A device according to claim 8, further comprising restricting means for restricting the output of energy from the first capacitor in response to the mounting of the transmitter on the camera.
Claim 12
Dependent Claim
31 words
A device according to claim 1, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the camera.
Claim 13
Dependent Claim
22 words
A device according to claim 1, wherein said transmitter forms part of the camera when it is mounted on the camera body.
Claim 14
Dependent Claim
79 words
A transmitter of a remote control device mountable and detachable from a portable instrument, comprising: input means for taking in energy from the portable instrument when the transmitter is mounted on the portable instrument, said input means taking in no energy from the portable instrument when the transmitter is detached from the portable instrument, and, storing means for storing the energy taken in by the input means from the portable instrument to drive the transmitter with the stored energy.
Claim 15
Dependent Claim
79 words
A transmitter of a remote control device mountable and detachable from a portable instrument, comprising: input means for taking in energy from the portable instrument when the transmitter is mounted on the portable instrument, said input means taking in no energy from the portable instrument when the transmitter is detached from the portable instrument, and, storing means for storing the energy taken in by the input means from the portable instrument to drive the transmitter with the stored energy.
Claim 16
Dependent Claim
33 words
A device according to claim 13, wherein said input means includes a terminal to be connected with a terminal on the portable instrument side when the transmitter is mounted on the portable instrument.
Claim 17
Dependent Claim
17 words
A device according to claim 13, wherein said storing means includes charging means for accepting electric charge.
Claim 18
Dependent Claim
54 words
A device according to claim 15, wherein said charging means includes first charging means for accepting the electric charge taken in by the input means, and second charge means to be charged by said first charge means to drive the transmitter, said first charge means having a larger capacity than said second charge means.
Claim 19
Dependent Claim
30 words
A device according to claim 16, further comprising a transmitting portion to transmit a remote control signal, said transmitting portion being driven by current discharged by said second charge means.
Claim 20
Dependent Claim
32 words
A device according to claim 16, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the portable instrument.
Claim 21
Dependent Claim
13 words
A device according to claim 13, wherein said storing means comprises a capacitor.
Claim 22
Dependent Claim
51 words
A device according to claim 19, wherein said capacitor includes a first capacitor for storing the energy taken in by the input means, and a second capacitor to be charged with energy by the first capacitor to drive the transmitter, said first capacitor having a larger capacity than said second capacitor.
Claim 23
Dependent Claim
30 words
A device according to claim 20, further comprising a transmitting portion for transmitting a remote control signal, said transmitting portion being driven by the energy stored in said second capacitor.
Claim 24
Dependent Claim
32 words
A device according to claim 20, further comprising restricting means for restricting the output of energy from the first capacitor in response to the mounting of the transmitter on the portable instrument.
Claim 25
Dependent Claim
32 words
A device according to claim 13, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the portable instrument.
Claim 26
Dependent Claim
23 words
A device according to claim 13, wherein said transmitter forms part of the portable instrument when it is mounted on the portable instrument.
Claim 27
Dependent Claim
74 words
A camera having a transmitter of a remote control device mountable and detachable therefrom, comprising: input means for taking in energy from the camera when the transmitter is mounted on the camera, said input means taking in no energy from the camera when the transmitter is detached from the camera, and, storing means for storing the energy taken in by the input means from the camera to drive the transmitter with the stored energy.
Claim 28
Dependent Claim
74 words
A camera having a transmitter of a remote control device mountable and detachable therefrom, comprising: input means for taking in energy from the camera when the transmitter is mounted on the camera, said input means taking in no energy from the camera when the transmitter is detached from the camera, and, storing means for storing the energy taken in by the input means from the camera to drive the transmitter with the stored energy.
Claim 29
Dependent Claim
31 words
A camera according to claim 25, wherein said input means includes a terminal to be connected with a terminal on the camera side when the transmitter is mounted on the camera.
Claim 30
Dependent Claim
18 words
A camera according to claim 25, wherein said storing means includes charging means for accepting an electric charge.
Claim 31
Dependent Claim
54 words
A camera according to claim 27, wherein said charging means includes first charging means for accepting the electric charge taken in by the input means, and second charge means to be charged by said first charge means to drive the transmitter, said first charge means having a larger capacity than said second charge means.
Claim 32
Dependent Claim
30 words
A camera according to claim 28, further comprising a transmitting portion to transmit a remote control signal, said transmitting portion being driven by current discharged by said second charge means.
Claim 33
Dependent Claim
31 words
A camera according to claim 28, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the camera.
Claim 34
Dependent Claim
13 words
A camera according to claim 25, wherein said storing means comprises a capacitor.
Claim 35
Dependent Claim
51 words
A camera according to claim 31, wherein said capacitor includes a first capacitor for storing the energy taken in by the input means, and a second capacitor to be charged with energy by the first capacitor to drive the transmitter, said first capacitor having a larger capacity than said second capacitor.
Claim 36
Dependent Claim
30 words
A camera according to claim 32, further comprising a transmitting portion for transmitting a remote control signal, said transmitting portion being driven by the energy stored in said second capacitor.
Claim 37
Dependent Claim
31 words
A camera according to claim 32, further comprising restricting means for restricting the output of energy from the first capacitor in response to the mounting of the transmitter on the camera.
Claim 38
Dependent Claim
31 words
A camera according to claim 25, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the camera.
Claim 39
Dependent Claim
22 words
A camera according to claim 25, wherein said transmitter forms part of the camera when it is mounted on the camera body.
Claim 40
Dependent Claim
80 words
A portable instrument having a transmitter of a remote control device mountable and detachable therefrom, comprising: input means for taking in energy from the portable instrument when the transmitter is mounted on the portable instrument, said input means taking in no energy from the portable instrument when the transmitter is detached from the portable instrument, and, storing means for storing the energy taken in by the input means from the portable instrument to drive the transmitter with the stored energy.
Claim 41
Dependent Claim
80 words
A portable instrument having a transmitter of a remote control device mountable and detachable therefrom, comprising: input means for taking in energy from the portable instrument when the transmitter is mounted on the portable instrument, said input means taking in no energy from the portable instrument when the transmitter is detached from the portable instrument, and, storing means for storing the energy taken in by the input means from the portable instrument to drive the transmitter with the stored energy.
Claim 42
Dependent Claim
33 words
A device according to claim 37, wherein said input means includes a terminal to be connected with a terminal on the portable instrument side when the transmitter is mounted on the portable instrument.
Claim 43
Dependent Claim
18 words
A device according to claim 37, wherein said storing means includes charging means for accepting an electric charge.
Claim 44
Dependent Claim
54 words
A device according to claim 39, wherein said charging means includes first charging means for accepting the electric charge taken in by the input means, and second charge means to be charged by said first charge means to drive the transmitter, said first charge means having a larger capacity than said second charge means.
Claim 45
Dependent Claim
30 words
A device according to claim 46, further comprising a transmitting portion to transmit a remote control signal, said transmitting portion being driven by current discharged by said second charge means.
Claim 46
Dependent Claim
32 words
A device according to claim 40, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the portable instrument.
Claim 47
Dependent Claim
13 words
A device according to claim 32, wherein said storing means comprises a capacitor.
Claim 48
Dependent Claim
51 words
A device according to claim 43, wherein said capacitor includes a first capacitor for storing the energy taken in by the input means, and a second capacitor to be charged with energy by the first capacitor to drive the transmitter, said first capacitor having a larger capacity than said second capacitor.
Claim 49
Dependent Claim
30 words
A device according to claim 44, further comprising a transmitting portion for transmitting a remote control signal, said transmitting portion being driven by the energy stored in said second capacitor.
Claim 50
Dependent Claim
32 words
A device according to claim 44, further comprising restricting means for restricting the output of energy from the first capacitor in response to the mounting of the transmitter on the portable instrument.
Claim 51
Dependent Claim
32 words
A device according to claim 37, further comprising restricting means for restricting the output of energy from the storing means in response to the mounting of the transmitter on the portable instrument.
Claim 52
Dependent Claim
22 words
A device according to claim 37, wherein said transmitter forms part of the camera when it is mounted on the portable instrument.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-04 | 1993-03-06 | 1993-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-04 | 1997-03-06 | 1997-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-04 | 2001-03-06 | 2001-09-05 | $7700.00 | Window Closed / Lapsed |