US4365880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator for camera
Assignee: Canon Inc
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Filing: 1981-03-10
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Granted: 1982-12-28
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Expires: 2001-03-10
Abstract
Abstract In the disclosed indicator, a display responds to various photographic modes, i.e., shutter preference, program, etc. A control arrangement connected to the display changes the display in response to a control signal indicating that a selected shutter time is shorter or longer than a shutter time faster than hand vibrations.
Inventors
- 👤 Masayoshi Kiuchi
- 👤 Masaharu Kawamura
- 👤 Hiroyasu Murakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:52
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/18; G03B17/20; G03B2217/00; G03B2217/005
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
73 words
An indicator for a camera comprising: (a) indicating means responsive to mode signals for displaying an indicating state which is variable in accordance with various photographic mode signals to be received; and (b) control means connected to said indicating means to change the indicating state of said indicating means in response to a first signal indicative of that a shutter time value obtained in longer than a hand vibration inducing shutter time value.
Claim 2
Dependent Claim
73 words
An indicator for a camera comprising: (a) indicating means responsive to mode signals for displaying an indicating state which is variable in accordance with various photographic mode signals to be received; and (b) control means connected to said indicating means to change the indicating state of said indicating means in response to a first signal indicative of that a shutter time value obtained in longer than a hand vibration inducing shutter time value.
Claim 3
Dependent Claim
16 words
An indicator according to claim 1, wherein said indicating means consists of a light emitting diode.
Claim 4
Dependent Claim
56 words
An indicator according to claim 1, wherein said control means includes a circuit which, in response to said first signal, produces a first driving signal for causing said indicating means to continuously light up and which, in response to said second signal, produces a second driving signal for causing said indicating means to light up intermittently.
Claim 5
Dependent Claim
116 words
An indicator for a camera comprising: (a) indicating means for producing an indication which is variable in accordance with various photographic mode signals to be received; and (b) control means arranged to supply a first driving signal of a predetermined unvarying level to said indicating means in response to a first input signal which indicates that a shutter time value obtained is shorter than a time value at which a camera is responsive to hand vibrations and to supply a second driving signal of a continuously fluctuating level to said indicating means in response to a second input signal which indicates that said shutter time value is longer than said hand vibration inducing shutter time value.
Claim 6
Dependent Claim
116 words
An indicator for a camera comprising: (a) indicating means for producing an indication which is variable in accordance with various photographic mode signals to be received; and (b) control means arranged to supply a first driving signal of a predetermined unvarying level to said indicating means in response to a first input signal which indicates that a shutter time value obtained is shorter than a time value at which a camera is responsive to hand vibrations and to supply a second driving signal of a continuously fluctuating level to said indicating means in response to a second input signal which indicates that said shutter time value is longer than said hand vibration inducing shutter time value.
Claim 7
Dependent Claim
16 words
An indicator according to claim 4, wherein said indicating means consists of a light emitting diode.
Claim 8
Dependent Claim
14 words
An indicator according to claim 4, wherein said control means includes oscillating circuit means.
Claim 9
Dependent Claim
52 words
An indicator for a camera comprising: (a) indicating means for producing an indicating state in accordance with a photographic mode signal to be received; and (b) control means connected to said indicating means to change the indicating state of said indicating means into another indicating state in response to an alarm signal.
Claim 10
Dependent Claim
52 words
An indicator for a camera comprising: (a) indicating means for producing an indicating state in accordance with a photographic mode signal to be received; and (b) control means connected to said indicating means to change the indicating state of said indicating means into another indicating state in response to an alarm signal.
Claim 11
Dependent Claim
60 words
An indicator for a camera comprising: (a) indicating means selectively deenergized or continuously energized to represent shutter preference and program modes; and (b) control means connected to said indicating means to intermittently energize the indicating means in response to a signal indicative of that a shutter time value obtained is longer than a shutter time value inducing a hand vibration.
Claim 12
Dependent Claim
60 words
An indicator for a camera comprising: (a) indicating means selectively deenergized or continuously energized to represent shutter preference and program modes; and (b) control means connected to said indicating means to intermittently energize the indicating means in response to a signal indicative of that a shutter time value obtained is longer than a shutter time value inducing a hand vibration.
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) | 1985-12-27 | 1986-06-28 | 1986-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-27 | 1990-06-28 | 1990-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-27 | 1994-06-28 | 1994-12-28 | $7700.00 | Window Closed / Lapsed |