ES210486A1 - Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding) - Google Patents

Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES210486A1
ES210486A1 ES210486A ES210486A ES210486A1 ES 210486 A1 ES210486 A1 ES 210486A1 ES 210486 A ES210486 A ES 210486A ES 210486 A ES210486 A ES 210486A ES 210486 A1 ES210486 A1 ES 210486A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
deaf
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.)
Expired
Application number
ES210486A
Other languages
Spanish (es)
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.)
FURCH WENDEL WALTER
Original Assignee
FURCH WENDEL WALTER
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 FURCH WENDEL WALTER filed Critical FURCH WENDEL WALTER
Priority to ES210486A priority Critical patent/ES210486A1/en
Publication of ES210486A1 publication Critical patent/ES210486A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)
  • Silicon Compounds (AREA)
  • Amplifiers (AREA)

Abstract

Improvements introduced in portable amplifiers for deaf people characterized by the fact that in the different stages of the electrical amplification a germanium crystal is used as an amplifying element in which two metallic tips located at a short distance from each other are supported. (Machine-translation by Google Translate, not legally binding)
ES210486A 1953-07-20 1953-07-20 Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding) Expired ES210486A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES210486A ES210486A1 (en) 1953-07-20 1953-07-20 Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES210486A ES210486A1 (en) 1953-07-20 1953-07-20 Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES210486A1 true ES210486A1 (en) 1953-10-01

Family

ID=65685048

Family Applications (1)

Application Number Title Priority Date Filing Date
ES210486A Expired ES210486A1 (en) 1953-07-20 1953-07-20 Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES210486A1 (en)

Similar Documents

Publication Publication Date Title
NL187779B (en) AUDIO AMPLIFIER.
FR1112775A (en) Differential amplifier
FR1106840A (en) Cascade amplifier
FR1101981A (en) Feedback coupled transistor amplifier
ES210486A1 (en) Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)
FR1100187A (en) High frequency amplifier device
CH321709A (en) Transistor amplifier
FR1114360A (en) Amplifiers
FR1119489A (en) Transistor amplifier, adjustable amplification
CH324357A (en) Transistor cascade amplifier
ES211777A2 (en) Improvements introduced in portable amplifier deaf devices (Machine-translation by Google Translate, not legally binding)
FR1113292A (en) Magnetic amplifiers
AT181630B (en) Circuit arrangement for feed-forward low frequency amplifiers
CA497733A (en) Thermionic valve amplifier circuit arrangements
AU165714B2 (en) Amplifier circuit for cascade-coupled transistor amplifiers
AU2492354A (en) Amplifier circuit for cascade-coupled transistor amplifiers
ES237023A1 (en) Improvements relative to amplifiers (Machine-translation by Google Translate, not legally binding)
CA490733A (en) Telephone auxiliary amplifying device
FR1108118A (en) Transistron amplifiers
CA494132A (en) Semiconductor amplifiers
AT183794B (en) Counter-coupled transistor amplifier
ES226609A1 (en) An sound amplifier apparatus (Machine-translation by Google Translate, not legally binding)
AU158653B2 (en) Disfortionless feedback amplifier
DK84523C (en) Transistor amplifier.
DK90254C (en) Counter-connected transistor amplifier.