EP0033769A3 - Headphones demonstration system - Google Patents

Headphones demonstration system Download PDF

Info

Publication number
EP0033769A3
EP0033769A3 EP80107365A EP80107365A EP0033769A3 EP 0033769 A3 EP0033769 A3 EP 0033769A3 EP 80107365 A EP80107365 A EP 80107365A EP 80107365 A EP80107365 A EP 80107365A EP 0033769 A3 EP0033769 A3 EP 0033769A3
Authority
EP
European Patent Office
Prior art keywords
headphones
headphone
demonstration system
demonstration device
demonstration
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.)
Withdrawn
Application number
EP80107365A
Other languages
German (de)
French (fr)
Other versions
EP0033769A2 (en
Inventor
Guido Erdmann
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.)
PEERLESS Elektronik GmbH
Original Assignee
PEERLESS Elektronik GmbH
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 PEERLESS Elektronik GmbH filed Critical PEERLESS Elektronik GmbH
Publication of EP0033769A2 publication Critical patent/EP0033769A2/en
Publication of EP0033769A3 publication Critical patent/EP0033769A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Die Erfindung betrifft eine Kopfhörervorführeinrich­ tung, bei der ein Kopfhörer hängend an einem Anschluß­ stück befestigt ist, das unter entsprechendem Leiterabgriff mit einer Stromschiene verriegelbar und wieder von dieser lösbar ist. Die Stromschiene ist an einer Decken - bzw. Seitenwand eines Raumes, Standes od.dgl. befestigbar und an ein dem Kopfhörer zugeordnetem Vorführgerät an­ geschlossen. Die Einrichtung ist platzsparend und ermög­ licht insbesondere eine einfache Variierung der Zahl und Position der Kopfhörer. The invention relates to a headphone demonstration device device with a headphone hanging on a connector piece is attached, the appropriate conductor tap lockable with a track and back from it is solvable. The conductor rail is on a ceiling or Side wall of a room, stand or the like. attachable and to a demonstration device assigned to the headphones closed. The setup is space-saving and possible light in particular a simple variation of the number and Position of the headphones.

EP80107365A 1980-02-09 1980-11-26 Headphones demonstration system Withdrawn EP0033769A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8003494 1980-02-09
DE8003494U 1980-02-09

Publications (2)

Publication Number Publication Date
EP0033769A2 EP0033769A2 (en) 1981-08-19
EP0033769A3 true EP0033769A3 (en) 1981-11-25

Family

ID=6712745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107365A Withdrawn EP0033769A3 (en) 1980-02-09 1980-11-26 Headphones demonstration system

Country Status (2)

Country Link
EP (1) EP0033769A3 (en)
DK (1) DK52081A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI69730C (en) * 1983-11-02 1986-03-10 Nokia Oy Ab ADAPTER FOER EN ELEKTRISK STROEMSKENA
DE3424689A1 (en) * 1984-07-05 1986-01-16 Elektra GmbH & Co KG, 4904 Enger HOUSING FOR AN ELECTRONIC TRANSMITTER AND / OR RECEIVER
FR2569927B1 (en) * 1984-08-29 1986-09-19 Cordier Laurent REMOVABLE SOUND AND / OR VISUALIZATION APPARATUS
DE3808570A1 (en) * 1988-03-15 1989-09-28 Erco Leuchten SPECIALIZED TRACK RAIL ARRANGEMENT FOR LIGHTING PURPOSES
IT1244230B (en) * 1990-04-02 1994-07-08 Dil Srl COMPOSITION SYSTEM ELECTRIC LINES IN VIEW WITH DOUBLE VOLTAGE AND SUPPORT FOR USER VEHICLES, ESPECIALLY LIGHTING LAMPS FOR INDOOR ENVIRONMENTS
IT201900023634A1 (en) 2019-12-11 2021-06-11 A A G Stucchi S R L U S Connection device with mobile control device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2123152A1 (en) * 1971-05-11 1972-11-30 Hoffmeister Leuchten Kg Connector for metallic busbars with a U-shaped cross-section to accommodate current collectors that can be inserted into the rail opening for portable electricity consumers
GB1311118A (en) * 1970-07-03 1973-03-21 Reliance Cords Cables Ltd Coiled extensible electrical cord
FR2338598A1 (en) * 1976-01-16 1977-08-12 Bag & Cie Power take-off adaptor for supply rail - has plastic retaining lugs and metal contacts allowing connection at any point along rail
DE8003494U1 (en) * 1980-05-08 Peerless Elektronik Gmbh, 4000 Duesseldorf Headphone demonstration device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8003494U1 (en) * 1980-05-08 Peerless Elektronik Gmbh, 4000 Duesseldorf Headphone demonstration device
GB1311118A (en) * 1970-07-03 1973-03-21 Reliance Cords Cables Ltd Coiled extensible electrical cord
DE2123152A1 (en) * 1971-05-11 1972-11-30 Hoffmeister Leuchten Kg Connector for metallic busbars with a U-shaped cross-section to accommodate current collectors that can be inserted into the rail opening for portable electricity consumers
FR2338598A1 (en) * 1976-01-16 1977-08-12 Bag & Cie Power take-off adaptor for supply rail - has plastic retaining lugs and metal contacts allowing connection at any point along rail

Also Published As

Publication number Publication date
EP0033769A2 (en) 1981-08-19
DK52081A (en) 1981-08-10

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT CH FR GB IT SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT CH FR GB IT SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19821110

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ERDMANN, GUIDO