DE3505983C2 - - Google Patents
Info
- Publication number
- DE3505983C2 DE3505983C2 DE3505983A DE3505983A DE3505983C2 DE 3505983 C2 DE3505983 C2 DE 3505983C2 DE 3505983 A DE3505983 A DE 3505983A DE 3505983 A DE3505983 A DE 3505983A DE 3505983 C2 DE3505983 C2 DE 3505983C2
- Authority
- DE
- Germany
- Prior art keywords
- light
- resistor
- resistance
- circuit arrangement
- arrangement according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001419 dependent effect Effects 0.000 claims description 16
- 230000010354 integration Effects 0.000 claims description 5
- 230000015654 memory Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
Landscapes
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Led Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853505983 DE3505983A1 (de) | 1985-02-21 | 1985-02-21 | Schaltungsanordnung zur elektronischen erzeugung einer widerstandseinstellung und damit aufgebauter audio-anlage |
US06/825,936 US4730114A (en) | 1985-02-21 | 1986-02-04 | Circuit arrangement for electronically generating a resistor setting and audio system based thereon |
EP86102170A EP0192257A3 (de) | 1985-02-21 | 1986-02-19 | Schaltungsanordnung zur elektronischen Erzeugung einer Widerstandseinstellung und damit aufgebauter Audio-Anlage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853505983 DE3505983A1 (de) | 1985-02-21 | 1985-02-21 | Schaltungsanordnung zur elektronischen erzeugung einer widerstandseinstellung und damit aufgebauter audio-anlage |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3505983A1 DE3505983A1 (de) | 1986-08-21 |
DE3505983C2 true DE3505983C2 (US08124317-20120228-C00026.png) | 1987-09-03 |
Family
ID=6263124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853505983 Granted DE3505983A1 (de) | 1985-02-21 | 1985-02-21 | Schaltungsanordnung zur elektronischen erzeugung einer widerstandseinstellung und damit aufgebauter audio-anlage |
Country Status (2)
Country | Link |
---|---|
US (1) | US4730114A (US08124317-20120228-C00026.png) |
DE (1) | DE3505983A1 (US08124317-20120228-C00026.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29819009U1 (de) | 1998-10-26 | 1999-01-28 | Spaun-electronic GmbH, 78224 Singen | Verstärkereinrichtung für HF-Signale |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5194765A (en) * | 1991-06-28 | 1993-03-16 | At&T Bell Laboratories | Digitally controlled element sizing |
AU648682B2 (en) * | 1991-08-14 | 1994-04-28 | P J Edwards | Multiple-beam quantum noise-correlated lightwave system |
US5329210A (en) * | 1991-11-13 | 1994-07-12 | At&T Bell Laboratories | High-speed driver for an LED communication system or the like |
US5208548A (en) * | 1992-05-08 | 1993-05-04 | Randall C. Smith | Programmable controls for vacuum tube preamplifier |
NL9201362A (nl) * | 1992-07-28 | 1994-02-16 | Doornes Transmissie Bv | Inrichting voor het optisch verschaffen van informatie. |
US5248879A (en) * | 1992-10-19 | 1993-09-28 | Ncr Corporation | Circuit for adjusting the sensitivity of a sensor using a digital counter and a low-pass filter |
US5296715A (en) * | 1992-12-21 | 1994-03-22 | The United States Of America As Represented By The Department Of Energy | Optically isolated signal coupler with linear response |
WO1996038910A1 (en) * | 1995-05-31 | 1996-12-05 | C.P. Clare Corporation | Voltage-to-current converter using optical isolation |
US7215891B1 (en) | 2003-06-06 | 2007-05-08 | Jds Uniphase Corporation | Integrated driving, receiving, controlling, and monitoring for optical transceivers |
US7496469B2 (en) * | 2006-05-19 | 2009-02-24 | Watlow Electric Manufacturing Company | Temperature sensor adaptors and methods |
US7496481B2 (en) * | 2006-05-19 | 2009-02-24 | Watlow Electric Manufacturing Company | Sensor adaptors and methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1800123A1 (de) * | 1968-10-01 | 1970-04-16 | Robert Bosch Gmbh Elektronik U | Regelbares Daempfungsglied |
US3772514A (en) * | 1971-11-08 | 1973-11-13 | Capintec Inc | Isolation amplifier |
DE2403756C3 (de) * | 1974-01-26 | 1978-05-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung für einen elektronisch steuerbaren Widerstand |
US4056719A (en) * | 1975-02-10 | 1977-11-01 | Bell Telephone Laboratories, Incorporated | Two-way telephone transmission system utilizing opto-couplers |
US4228323A (en) * | 1979-01-31 | 1980-10-14 | Bell Telephone Laboratories, Incorporated | Variable loop length compensated barrier circuit |
US4313225A (en) * | 1979-11-05 | 1982-01-26 | Bell Telephone Laboratories, Incorporated | Opto-isolator hybrid circuit |
-
1985
- 1985-02-21 DE DE19853505983 patent/DE3505983A1/de active Granted
-
1986
- 1986-02-04 US US06/825,936 patent/US4730114A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29819009U1 (de) | 1998-10-26 | 1999-01-28 | Spaun-electronic GmbH, 78224 Singen | Verstärkereinrichtung für HF-Signale |
Also Published As
Publication number | Publication date |
---|---|
DE3505983A1 (de) | 1986-08-21 |
US4730114A (en) | 1988-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |