DE1437468A1 - Digitales Mikrophon - Google Patents

Digitales Mikrophon

Info

Publication number
DE1437468A1
DE1437468A1 DE19641437468 DE1437468A DE1437468A1 DE 1437468 A1 DE1437468 A1 DE 1437468A1 DE 19641437468 DE19641437468 DE 19641437468 DE 1437468 A DE1437468 A DE 1437468A DE 1437468 A1 DE1437468 A1 DE 1437468A1
Authority
DE
Germany
Prior art keywords
digital
amplitude
sound wave
coding matrix
output signals
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.)
Pending
Application number
DE19641437468
Other languages
German (de)
English (en)
Inventor
Elmer Baum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE1437468A1 publication Critical patent/DE1437468A1/de
Pending legal-status Critical Current

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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DE19641437468 1963-06-03 1964-06-02 Digitales Mikrophon Pending DE1437468A1 (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
DE1437468A1 true DE1437468A1 (de) 1968-10-10

Family

ID=23092163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19641437468 Pending DE1437468A1 (de) 1963-06-03 1964-06-02 Digitales Mikrophon

Country Status (6)

Country Link
US (1) US3286032A (https=)
CH (1) CH431622A (https=)
DE (1) DE1437468A1 (https=)
FR (1) FR1397060A (https=)
GB (1) GB1057767A (https=)
SE (1) SE321709B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030262A1 (en) * 1979-12-06 1981-06-17 Rockwell International Corporation An acousto-optic transducer device
WO2011003651A1 (de) * 2009-07-07 2011-01-13 Siemens Aktiengesellschaft Druckwellen-aufnahme und wiedergabe mit direkter quantisierung

Families Citing this family (22)

* 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 (https=) * 1969-06-27 1971-04-02 Bernard Patrice
US3663758A (en) * 1970-03-24 1972-05-16 Teaching Complements Inc Speech pattern recognition system
CH539845A (de) * 1972-06-30 1973-07-31 Ibm Elektroakustischer Wandler
US4395593A (en) * 1979-11-27 1983-07-26 Bell Telephone Laboratories, Incorporated Acoustic differential digital coder
DE3020247C2 (de) * 1980-05-28 1982-09-02 Franz Vertriebsgesellschaft mbH, 7634 Kippenheim Verfahren und Anordnung zur Umwandlung von Schallwellen in digitale elektrische Signale mit Hilfe von elektroakustischen Wandlern
JPS57149000U (https=) * 1981-03-12 1982-09-18
US4515997A (en) * 1982-09-23 1985-05-07 Stinger Jr Walter E Direct digital loudspeaker
DE3642055A1 (de) * 1986-12-09 1988-07-07 Wolfgang Dr Littmann Einrichtung zur direkten umwandlung von schall in digitale information - digitales mikrofon
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
WO2002073809A2 (en) * 2001-03-14 2002-09-19 Reveo, Inc. Electron beam excited superconducting analog-to-digital converter
US8643846B2 (en) * 2007-07-12 2014-02-04 Defence Research And Development Organisation Method and apparatus for the simultaneous generation and detection of optical diffraction interference pattern on a detector
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
WO2017042093A1 (en) * 2015-09-07 2017-03-16 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
EP0030262A1 (en) * 1979-12-06 1981-06-17 Rockwell International Corporation An acousto-optic transducer device
WO2011003651A1 (de) * 2009-07-07 2011-01-13 Siemens Aktiengesellschaft Druckwellen-aufnahme und wiedergabe mit direkter quantisierung
CN102474679A (zh) * 2009-07-07 2012-05-23 西门子公司 压力波记录和利用直接量化的再现

Also Published As

Publication number Publication date
FR1397060A (fr) 1965-04-23
SE321709B (https=) 1970-03-16
US3286032A (en) 1966-11-15
CH431622A (de) 1967-03-15
GB1057767A (en) 1967-02-08

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