CH431622A - Einrichtung zur Umwandlung von Schallwellen in digitale Signale - Google Patents
Einrichtung zur Umwandlung von Schallwellen in digitale SignaleInfo
- Publication number
- CH431622A CH431622A CH723864A CH723864A CH431622A CH 431622 A CH431622 A CH 431622A CH 723864 A CH723864 A CH 723864A CH 723864 A CH723864 A CH 723864A CH 431622 A CH431622 A CH 431622A
- Authority
- CH
- Switzerland
- Prior art keywords
- digital signals
- sound waves
- converting sound
- converting
- waves
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/044—Sample and hold circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US284954A US3286032A (en) | 1963-06-03 | 1963-06-03 | Digital microphone |
Publications (1)
Publication Number | Publication Date |
---|---|
CH431622A true CH431622A (de) | 1967-03-15 |
Family
ID=23092163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH723864A CH431622A (de) | 1963-06-03 | 1964-06-03 | Einrichtung zur Umwandlung von Schallwellen in digitale Signale |
Country Status (6)
Country | Link |
---|---|
US (1) | US3286032A (de) |
CH (1) | CH431622A (de) |
DE (1) | DE1437468A1 (de) |
FR (1) | FR1397060A (de) |
GB (1) | GB1057767A (de) |
SE (1) | SE321709B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2328999A1 (de) * | 1972-06-30 | 1974-01-17 | Ibm | Elektroakustischer wandler |
DE3020247A1 (de) * | 1980-05-28 | 1981-12-03 | Franz Vertriebsgesellschaft mbH, 7634 Kippenheim | Verfahren und anordnung zur umwandlung von schallwellen in digitale elektrische signale mit hilfe von elektroakustischen wandlern |
DE3642055A1 (de) * | 1986-12-09 | 1988-07-07 | Wolfgang Dr Littmann | Einrichtung zur direkten umwandlung von schall in digitale information - digitales mikrofon |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3435159A (en) * | 1966-01-03 | 1969-03-25 | Bell Telephone Labor Inc | Circuit and method for testing complex systems |
US3521271A (en) * | 1966-07-15 | 1970-07-21 | Stromberg Carlson Corp | Electro-optical analog to digital converter |
US3433959A (en) * | 1966-07-25 | 1969-03-18 | Perkin Elmer Corp | Microphone |
FR2050890A5 (de) * | 1969-06-27 | 1971-04-02 | Bernard Patrice | |
US3663758A (en) * | 1970-03-24 | 1972-05-16 | Teaching Complements Inc | Speech pattern recognition system |
US4395593A (en) * | 1979-11-27 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Acoustic differential digital coder |
US4284858A (en) * | 1979-12-06 | 1981-08-18 | Rockwell International Corporation | Dichroic transducer |
JPS57149000U (de) * | 1981-03-12 | 1982-09-18 | ||
US4515997A (en) * | 1982-09-23 | 1985-05-07 | Stinger Jr Walter E | Direct digital loudspeaker |
US5262884A (en) * | 1991-10-09 | 1993-11-16 | Micro-Optics Technologies, Inc. | Optical microphone with vibrating optical element |
US5621806A (en) * | 1992-02-14 | 1997-04-15 | Texas Instruments Incorporated | Apparatus and methods for determining the relative displacement of an object |
US5995260A (en) * | 1997-05-08 | 1999-11-30 | Ericsson Inc. | Sound transducer and method having light detector for detecting displacement of transducer diaphragm |
JP2001119798A (ja) * | 1999-10-15 | 2001-04-27 | Kenwood Corp | 通信用ヘルメット |
CA2324572A1 (en) * | 2000-10-26 | 2002-04-26 | Gerry M. Kane | Digital vibration transducer |
TW523994B (en) * | 2001-03-14 | 2003-03-11 | Reveo Inc | Electron beam excited superconducting analog-to-digital converter |
EP2160577B1 (de) * | 2007-07-12 | 2018-04-18 | Defence Research And Development Organisation | Verfahren und vorrichtung zur gleichzeitigen erzeugung und detektion eines optischen beugungsmusters auf einem detektor |
DE102009032057A1 (de) * | 2009-07-07 | 2011-01-20 | Siemens Aktiengesellschaft | Druckwellen-Aufnahme und Wiedergabe |
WO2012137482A1 (ja) * | 2011-04-05 | 2012-10-11 | パナソニック株式会社 | 光マイクロホン |
US9344811B2 (en) * | 2012-10-31 | 2016-05-17 | Vocalzoom Systems Ltd. | System and method for detection of speech related acoustic signals by using a laser microphone |
EP2958340A1 (de) * | 2014-06-17 | 2015-12-23 | Thomson Licensing | Optisches Mikrophon und Zugehöriges Verfahren |
EP3348007A1 (de) * | 2015-09-07 | 2018-07-18 | Philips Lighting Holding B.V. | Einbettung von daten in licht |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1937754A (en) * | 1929-11-18 | 1933-12-05 | Rca Corp | Telephony |
US2173994A (en) * | 1937-03-30 | 1939-09-26 | Rca Corp | Microphone |
GB503853A (en) * | 1937-10-14 | 1939-04-14 | Marconi Wireless Telegraph Co | Improvements in or relating to microphones |
US2458652A (en) * | 1946-12-13 | 1949-01-11 | Bell Telephone Labor Inc | Electron discharge apparatus |
US2596199A (en) * | 1951-02-19 | 1952-05-13 | Bell Telephone Labor Inc | Error correction in sequential code pulse transmission |
-
1963
- 1963-06-03 US US284954A patent/US3286032A/en not_active Expired - Lifetime
-
1964
- 1964-05-28 SE SE6461/64A patent/SE321709B/xx unknown
- 1964-05-29 GB GB22300/64A patent/GB1057767A/en not_active Expired
- 1964-06-02 DE DE19641437468 patent/DE1437468A1/de active Pending
- 1964-06-03 CH CH723864A patent/CH431622A/de unknown
- 1964-06-03 FR FR976910A patent/FR1397060A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2328999A1 (de) * | 1972-06-30 | 1974-01-17 | Ibm | Elektroakustischer wandler |
DE3020247A1 (de) * | 1980-05-28 | 1981-12-03 | Franz Vertriebsgesellschaft mbH, 7634 Kippenheim | Verfahren und anordnung zur umwandlung von schallwellen in digitale elektrische signale mit hilfe von elektroakustischen wandlern |
DE3642055A1 (de) * | 1986-12-09 | 1988-07-07 | Wolfgang Dr Littmann | Einrichtung zur direkten umwandlung von schall in digitale information - digitales mikrofon |
Also Published As
Publication number | Publication date |
---|---|
SE321709B (de) | 1970-03-16 |
US3286032A (en) | 1966-11-15 |
GB1057767A (en) | 1967-02-08 |
DE1437468A1 (de) | 1968-10-10 |
FR1397060A (fr) | 1965-04-23 |
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