JPS5357020A - Receiver system - Google Patents

Receiver system

Info

Publication number
JPS5357020A
JPS5357020A JP11698077A JP11698077A JPS5357020A JP S5357020 A JPS5357020 A JP S5357020A JP 11698077 A JP11698077 A JP 11698077A JP 11698077 A JP11698077 A JP 11698077A JP S5357020 A JPS5357020 A JP S5357020A
Authority
JP
Japan
Prior art keywords
receiver system
receiver
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.)
Granted
Application number
JP11698077A
Other languages
Japanese (ja)
Other versions
JPS5623360B2 (en
Inventor
Robaato Rei Uiriamu
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Publication of JPS5357020A publication Critical patent/JPS5357020A/en
Publication of JPS5623360B2 publication Critical patent/JPS5623360B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP11698077A 1976-11-01 1977-09-30 Receiver system Granted JPS5357020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73734776A 1976-11-01 1976-11-01

Publications (2)

Publication Number Publication Date
JPS5357020A true JPS5357020A (en) 1978-05-24
JPS5623360B2 JPS5623360B2 (en) 1981-05-30

Family

ID=24963548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11698077A Granted JPS5357020A (en) 1976-11-01 1977-09-30 Receiver system

Country Status (8)

Country Link
JP (1) JPS5357020A (en)
AT (1) AT358927B (en)
CA (1) CA1091588A (en)
CH (1) CH622395A5 (en)
DE (1) DE2748288A1 (en)
FR (1) FR2369766A1 (en)
GB (1) GB1589691A (en)
IT (1) IT1088164B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021117715A1 (en) * 2019-12-10 2021-06-17 テルモ株式会社 Packaging box and medical equipment packaged by packaging box

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334740A (en) * 1978-09-12 1982-06-15 Polaroid Corporation Receiving system having pre-selected directional response
JPS5910119B2 (en) * 1979-04-26 1984-03-07 日本ビクター株式会社 variable directional microphone
DE3020247C2 (en) * 1980-05-28 1982-09-02 Franz Vertriebsgesellschaft mbH, 7634 Kippenheim Method and arrangement for converting sound waves into digital electrical signals with the aid of electroacoustic converters
JPS5954039U (en) * 1982-09-30 1984-04-09 株式会社ノーリツ Circulating hot water bath pot
FR2559325B1 (en) * 1984-02-06 1986-08-22 Renault APPARATUS FOR CAPTURING AND TRANSMITTING THE WORD OF A PERSON PLACED IN A DISTURBED ENVIRONMENT IN ORDER TO PERFORM A PROCESSING OF THIS WORD
JPS63132241U (en) * 1987-02-20 1988-08-30
US5463694A (en) * 1993-11-01 1995-10-31 Motorola Gradient directional microphone system and method therefor
US5515445A (en) * 1994-06-30 1996-05-07 At&T Corp. Long-time balancing of omni microphones

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502811A (en) * 1967-12-11 1970-03-24 Bell Telephone Labor Inc Directional microphone with frequency independent beamwidth
JPS4724128U (en) * 1971-04-09 1972-11-17
JPS4990103A (en) * 1972-12-26 1974-08-28

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
DE2439634B1 (en) * 1974-08-19 1976-03-18 Schoeps, Karl, Dr.-Ing., 7500 Karlsruhe ARRANGEMENT FOR DIRECTED SOUND RECEPTION

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502811A (en) * 1967-12-11 1970-03-24 Bell Telephone Labor Inc Directional microphone with frequency independent beamwidth
JPS4724128U (en) * 1971-04-09 1972-11-17
JPS4990103A (en) * 1972-12-26 1974-08-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021117715A1 (en) * 2019-12-10 2021-06-17 テルモ株式会社 Packaging box and medical equipment packaged by packaging box

Also Published As

Publication number Publication date
IT1088164B (en) 1985-06-10
CH622395A5 (en) 1981-03-31
DE2748288A1 (en) 1978-05-03
FR2369766A1 (en) 1978-05-26
GB1589691A (en) 1981-05-20
AT358927B (en) 1980-10-10
DE2748288C2 (en) 1989-11-02
CA1091588A (en) 1980-12-16
FR2369766B1 (en) 1984-03-23
JPS5623360B2 (en) 1981-05-30
ATA763477A (en) 1980-02-15

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