GB1434084A - Transducers - Google Patents

Transducers

Info

Publication number
GB1434084A
GB1434084A GB3748373A GB3748373A GB1434084A GB 1434084 A GB1434084 A GB 1434084A GB 3748373 A GB3748373 A GB 3748373A GB 3748373 A GB3748373 A GB 3748373A GB 1434084 A GB1434084 A GB 1434084A
Authority
GB
United Kingdom
Prior art keywords
collectors
doped
currents
aug
terminals
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
GB3748373A
Other languages
English (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1434084A publication Critical patent/GB1434084A/en
Expired 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Pressure Sensors (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB3748373A 1972-08-07 1973-08-07 Transducers Expired GB1434084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE10243/72A SE361805B (enExample) 1972-08-07 1972-08-07

Publications (1)

Publication Number Publication Date
GB1434084A true GB1434084A (en) 1976-04-28

Family

ID=20291981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3748373A Expired GB1434084A (en) 1972-08-07 1973-08-07 Transducers

Country Status (11)

Country Link
JP (1) JPS4946731A (enExample)
AU (1) AU5833073A (enExample)
CA (1) CA1002652A (enExample)
CH (1) CH572694A5 (enExample)
DE (1) DE2338767A1 (enExample)
ES (1) ES417612A1 (enExample)
FR (1) FR2195886B1 (enExample)
GB (1) GB1434084A (enExample)
IT (1) IT993669B (enExample)
NL (1) NL7310287A (enExample)
SE (1) SE361805B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265038A (en) * 1975-11-19 1977-05-30 Fuji Robin Kk Combine
JPS5265039A (en) * 1975-11-19 1977-05-30 Fuji Robin Kk Combine
JPS5265035A (en) * 1975-11-19 1977-05-30 Fuji Robin Kk Combine
JPS58178700A (ja) * 1982-04-13 1983-10-19 Kureha Chem Ind Co Ltd 送話器
DE3442888C2 (de) * 1983-12-05 1993-10-28 Sandoz Ag Sulfatierte, gegebenenfalls sulfonierte, oxalkylierte Alkylphenol-Formaldehyd-Kondensationsprodukte, Verfahren zu deren Herstellung und deren Verwendung als Färbereihilfsmittel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389230A (en) * 1967-01-06 1968-06-18 Hudson Magiston Corp Semiconductive magnetic transducer
AU410154B2 (en) * 1968-04-16 1971-02-08 Amalgamated Wireless (Australasia) Limited Magnetotransistor
US3585462A (en) * 1968-11-13 1971-06-15 Sprague Electric Co Semiconductive magnetic transducer
FR2035960A7 (enExample) * 1969-03-28 1970-12-24 Licentia Gmbh
DE2000253A1 (de) * 1970-01-05 1971-07-15 Licentia Gmbh Magnettransistor

Also Published As

Publication number Publication date
CH572694A5 (enExample) 1976-02-13
ES417612A1 (es) 1976-06-01
IT993669B (it) 1975-09-30
JPS4946731A (enExample) 1974-05-04
FR2195886B1 (enExample) 1977-02-25
SE361805B (enExample) 1973-11-12
DE2338767A1 (de) 1974-02-21
NL7310287A (enExample) 1974-02-11
CA1002652A (en) 1976-12-28
FR2195886A1 (enExample) 1974-03-08
AU5833073A (en) 1975-01-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee