CH480768A - Double headphones - Google Patents

Double headphones

Info

Publication number
CH480768A
CH480768A CH827968A CH827968A CH480768A CH 480768 A CH480768 A CH 480768A CH 827968 A CH827968 A CH 827968A CH 827968 A CH827968 A CH 827968A CH 480768 A CH480768 A CH 480768A
Authority
CH
Switzerland
Prior art keywords
headphones
double
double headphones
Prior art date
Application number
CH827968A
Other languages
German (de)
Inventor
Cech Karl
Original Assignee
Akg Akustische Kino Geraete
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 Akg Akustische Kino Geraete filed Critical Akg Akustische Kino Geraete
Publication of CH480768A publication Critical patent/CH480768A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
CH827968A 1967-06-05 1968-06-05 Double headphones CH480768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT524167A AT287818B (en) 1967-06-05 1967-06-05 headphone

Publications (1)

Publication Number Publication Date
CH480768A true CH480768A (en) 1969-10-31

Family

ID=3573552

Family Applications (1)

Application Number Title Priority Date Filing Date
CH827968A CH480768A (en) 1967-06-05 1968-06-05 Double headphones

Country Status (9)

Country Link
US (1) US3555207A (en)
AT (1) AT287818B (en)
BE (1) BE716090A (en)
CH (1) CH480768A (en)
DE (1) DE1762371A1 (en)
ES (1) ES354640A1 (en)
FR (1) FR1566986A (en)
GB (1) GB1205889A (en)
NL (1) NL6807667A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020297A (en) * 1976-01-15 1977-04-26 Brodie S Dan Adjustable headset
US4175217A (en) * 1978-03-30 1979-11-20 Williams Lewis M Telephone headset
US4771454A (en) * 1987-04-14 1988-09-13 Wilcox Jr Edward R Ruggedized ear protector and communications headset
US5590213A (en) * 1995-02-15 1996-12-31 David Clark Company Inc. Headset with adjustable headpad
DE19724667C1 (en) * 1997-06-11 1998-10-15 Knowles Electronics Inc Head phones and speaker kit e.g. for telephony or for voice communication with computer
DE10300755A1 (en) * 2003-01-11 2004-07-29 Wulf Bestmann Audio headset for partially deaf user, with 2 separate ear capsules and separate transmission of independently regulated audio signals for latter
USD915348S1 (en) * 2020-10-19 2021-04-06 Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd Headphones
CN112822598B (en) * 2021-01-20 2022-08-19 惠州长城塑胶工业有限公司 Sports anti-drop's headphone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560718A (en) * 1922-04-12 1925-11-10 Splitdorf Electrical Co Receiver headband
US2360027A (en) * 1939-10-26 1944-10-10 Ericsson Telefon Ab L M Head telephone set
US2353070A (en) * 1943-03-22 1944-07-04 Jr Roy S Pitkin Headphone
FR1174663A (en) * 1956-05-08 1959-03-13 Airmed Ltd Aviation headset
US3445597A (en) * 1966-03-17 1969-05-20 P M & E Electronics Inc Earphone
GB1139718A (en) * 1967-02-13 1969-01-15 Brown Ltd S G Improvements in or relating to telephone headsets

Also Published As

Publication number Publication date
US3555207A (en) 1971-01-12
BE716090A (en) 1968-11-04
DE1762371A1 (en) 1970-05-21
ES354640A1 (en) 1970-02-16
NL6807667A (en) 1968-12-06
FR1566986A (en) 1969-05-09
AT287818B (en) 1971-02-10
GB1205889A (en) 1970-09-23

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Legal Events

Date Code Title Description
PL Patent ceased