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ES207615U - Amplifier device applicable to telephone appliances. (Machine-translation by Google Translate, not legally binding) - Google Patents

Amplifier device applicable to telephone appliances. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES207615U
ES207615U ES0207615U ES207615U ES207615U ES 207615 U ES207615 U ES 207615U ES 0207615 U ES0207615 U ES 0207615U ES 207615 U ES207615 U ES 207615U ES 207615 U ES207615 U ES 207615U
Authority
ES
Spain
Prior art keywords
box
telephone
translation
legally binding
google translate
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
ES0207615U
Other languages
Spanish (es)
Other versions
ES207615Y (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES1974207615U priority Critical patent/ES207615Y/en
Publication of ES207615U publication Critical patent/ES207615U/en
Application granted granted Critical
Publication of ES207615Y publication Critical patent/ES207615Y/en
Expired legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)

Abstract

Amplifying device applicable to telephone sets, characterized by consisting of a box, suitably configured from the functional point of view, enclosing a reception and transmission amplifier equipment mounted on printed circuit board, powered by batteries, which are also contained in said box in an easily accessible place, and of an independent loudspeaker connectable by cable to said box, also including the optional possibility of connection to an independent recording equipment and having a volume potentiometer and a two-position lever, a of them for direct use and the other for recording, with the box in question presenting a central longitudinal depression for one end of said recess, for the telephone part, and at the other end, a wide receptacle open to the bridge of the micro- telephone, with an outer cavity, for the microphone, incorporating the aforementioned cavity, there is a coil of many turns of very fine wire, which constitutes the input of the amplifier element, and there is a button in said central entrance which, pressed by said bridge of the handset when it is deposited there, puts the device. (Machine-translation by Google Translate, not legally binding)
ES1974207615U 1974-11-19 1974-11-19 AMPLIFIER DEVICE APPLICABLE TO TELEPHONE DEVICES. Expired ES207615Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1974207615U ES207615Y (en) 1974-11-19 1974-11-19 AMPLIFIER DEVICE APPLICABLE TO TELEPHONE DEVICES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1974207615U ES207615Y (en) 1974-11-19 1974-11-19 AMPLIFIER DEVICE APPLICABLE TO TELEPHONE DEVICES.

Publications (2)

Publication Number Publication Date
ES207615U true ES207615U (en) 1976-03-16
ES207615Y ES207615Y (en) 1976-07-16

Family

ID=8373439

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1974207615U Expired ES207615Y (en) 1974-11-19 1974-11-19 AMPLIFIER DEVICE APPLICABLE TO TELEPHONE DEVICES.

Country Status (1)

Country Link
ES (1) ES207615Y (en)

Also Published As

Publication number Publication date
ES207615Y (en) 1976-07-16

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