CH431622A - Einrichtung zur Umwandlung von Schallwellen in digitale Signale - Google Patents

Einrichtung zur Umwandlung von Schallwellen in digitale Signale

Info

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
Application number
CH723864A
Other languages
German (de)
English (en)
Inventor
Baum Elmer
Original Assignee
Standard Telephon & Radio Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH431622A publication Critical patent/CH431622A/de

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)
CH723864A 1963-06-03 1964-06-03 Einrichtung zur Umwandlung von Schallwellen in digitale Signale CH431622A (de)

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 (xx)
CH (1) CH431622A (xx)
DE (1) DE1437468A1 (xx)
FR (1) FR1397060A (xx)
GB (1) GB1057767A (xx)
SE (1) SE321709B (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (xx) * 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 (xx) * 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 (en) * 2007-07-12 2018-04-18 Defence Research And Development Organisation Method and apparatus for the simultaneous generation and detection of optical diffraction interference pattern on a detector
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 (en) * 2014-06-17 2015-12-23 Thomson Licensing Optical microphone and method using the same
EP3348007A1 (en) * 2015-09-07 2018-07-18 Philips Lighting Holding B.V. Embedding data into light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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 (xx) 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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