Invention Grant
- Patent Title: Current limiting switching circuit
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Application No.: US533344Application Date: 1974-12-16
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Publication No.: US3958175APublication Date: 1976-05-18
- Inventor: Arthur Rechtman Braun
- Applicant: Arthur Rechtman Braun
- Applicant Address: NJ Murray Hill
- Assignee: Bell Telephone Laboratories, Incorporated
- Current Assignee: Bell Telephone Laboratories, Incorporated
- Current Assignee Address: NJ Murray Hill
- Main IPC: G05F1/56
- IPC: G05F1/56 ; H03K17/795 ; G05F3/14
Abstract:
A current limiting switching circuit which has general application and which comprises a photoresponsive semiconductor circuit activated by a light emitting diode. A semiconductor device is included for regulating the base drive of a transistor in the photoresponsive semiconductor circuit to maintain a constant collector current flow therein.
Public/Granted literature
- US5701445A Generating multilayered pictures by image parameters Public/Granted day:1997-12-23
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