Patent US5259786A successfully refreshed from Google Patents.
US5259786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp unit battery seat
Assignee: Londa Photo Products Co Ltd
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Filing: 1992-06-29
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Granted: 1993-11-09
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Expires: 2012-06-29
Abstract
Abstract A lamp unit for use in photography or video taping having a battery seat which can accommodate batteries of differing configurations. The lamp unit comprises a lamp body and a back plate which defines the battery seat. A plurality of electrical terminals are positioned about the back plate such that when a battery is attached thereto the battery terminals, irrespective of their location on the battery, will be in electrical contact with the terminals on the back plate.
Inventors
- 👤 Chin J. Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:17
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/22; H01R13/24; H01R13/2442; F; F21; F21L; F21L4/00; F21L4/005; F21V; F21V23/00; F21V23/06; H01R13/2464; Y; Y10; Y10S; Y10S439/00; Y10S439/929
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
57 words
A photographic lamp unit comprising a lamp body having means for attaching a lamp bulb, and a battery seat having: means for accommodating and holding a battery, and means for establishing an electrical circuit irrespective of the battery configuration and irrespective of the terminal configuration thereof, said means comprising remotely located, electrically interconnected terminals within the seat.
Claim 2
Dependent Claim
57 words
A photographic lamp unit comprising a lamp body having means for attaching a lamp bulb, and a battery seat having: means for accommodating and holding a battery, and means for establishing an electrical circuit irrespective of the battery configuration and irrespective of the terminal configuration thereof, said means comprising remotely located, electrically interconnected terminals within the seat.
Claim 3
Dependent Claim
36 words
The photographic lamp unit of claim 1 wherein said means of accommodating and holding a battery comprises at least two lips which are disposed oppositely from one another on an exterior surface of said battery seat.
Claim 4
Dependent Claim
41 words
The photographic lamp unit of claim 1 wherein said means for establishing an electrical circuit comprises a plurality of electrical terminals disposed on an exterior surface of said battery seat and wiring disposed on an interior surface of said battery seat.
Claim 5
Dependent Claim
17 words
The photographic lamp unit of claim 1 further comprising a switch for selectively breaking said electrical circuit.
Claim 6
Dependent Claim
209 words
A photographic lamp unit comprising a lamp body and a back plate attached thereto, said back plate having: an interior surface; an exterior surface, said interior and exterior surfaces having a plurality of openings which communicate between said interior surface and said exterior surface; an electrical contact terminal for each of said plurality of openings, each of said electrical contact terminals protruding from said interior surface to said exterior surface through a respective one of said plurality of openings; upper and lower lips disposed oppositely from one another on said exterior surface; upper and lower electrical terminals respectively disposed in said upper and lower lips, said upper and lower electrical terminals extending from said interior surface to said exterior surface; at least two grooves communicating between an upper portion of said interior surface and said exterior surface; medial and lateral electrical terminals disposed through said at least two grooves; and wiring on said interior surface, for electrically connecting said upper and lower electrical terminals, said medical and lateral electrical terminals, and said electrical contact terminals such that whenever a battery is inserted and engages the exterior surface of said back plate an electrical circuit is formed through the lamp unit regardless of which particular type of battery is used.
Claim 7
Dependent Claim
209 words
A photographic lamp unit comprising a lamp body and a back plate attached thereto, said back plate having: an interior surface; an exterior surface, said interior and exterior surfaces having a plurality of openings which communicate between said interior surface and said exterior surface; an electrical contact terminal for each of said plurality of openings, each of said electrical contact terminals protruding from said interior surface to said exterior surface through a respective one of said plurality of openings; upper and lower lips disposed oppositely from one another on said exterior surface; upper and lower electrical terminals respectively disposed in said upper and lower lips, said upper and lower electrical terminals extending from said interior surface to said exterior surface; at least two grooves communicating between an upper portion of said interior surface and said exterior surface; medial and lateral electrical terminals disposed through said at least two grooves; and wiring on said interior surface, for electrically connecting said upper and lower electrical terminals, said medical and lateral electrical terminals, and said electrical contact terminals such that whenever a battery is inserted and engages the exterior surface of said back plate an electrical circuit is formed through the lamp unit regardless of which particular type of battery is used.
Claim 8
Dependent Claim
203 words
A back plate for a photographic lamp unit, said back plate comprising: an interior surface; an exterior surface, said interior and exterior surfaces having a plurality of openings which communicate between said interior surface and said exterior surface; an electrical contact terminal for each of said plurality of openings, each of said electrical contact terminals protruding from said interior surface to said exterior surface through a respective one of said plurality of openings; upper and lower lips disposed oppositely from one another on said exterior surface; upper and lower electrical terminals respectively disposed in said upper and lower lips, said upper and lower electrical terminals extending from said interior surface to said exterior surface; at least two grooves communicating between an upper portion of said interior surface and said exterior surface; medial and lateral electrical terminals disposed through said at least two grooves; and wiring on said interior surface, for electrically connecting said upper and lower electrical terminals, said medial and lateral electrical terminals, and said electrical contact terminals such that whenever a battery is inserted and engages the exterior surface of said back plate an electrical circuit is formed through a lamp unit regardless of which particular type of battery is used.
Claim 9
Dependent Claim
203 words
A back plate for a photographic lamp unit, said back plate comprising: an interior surface; an exterior surface, said interior and exterior surfaces having a plurality of openings which communicate between said interior surface and said exterior surface; an electrical contact terminal for each of said plurality of openings, each of said electrical contact terminals protruding from said interior surface to said exterior surface through a respective one of said plurality of openings; upper and lower lips disposed oppositely from one another on said exterior surface; upper and lower electrical terminals respectively disposed in said upper and lower lips, said upper and lower electrical terminals extending from said interior surface to said exterior surface; at least two grooves communicating between an upper portion of said interior surface and said exterior surface; medial and lateral electrical terminals disposed through said at least two grooves; and wiring on said interior surface, for electrically connecting said upper and lower electrical terminals, said medial and lateral electrical terminals, and said electrical contact terminals such that whenever a battery is inserted and engages the exterior surface of said back plate an electrical circuit is formed through a lamp unit regardless of which particular type of battery is used.
Claim 10
Dependent Claim
16 words
The back plate of claim 6, further comprising a switch for selectively breaking said electrical circuit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-08 | 1997-05-10 | 1997-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-08 | 2001-05-10 | 2001-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-08 | 2005-05-10 | 2005-11-09 | $7700.00 | Window Closed / Lapsed |