GB1159777A - Signal Transmission Systems. - Google Patents

Signal Transmission Systems.

Info

Publication number
GB1159777A
GB1159777A GB1726668A GB1726668A GB1159777A GB 1159777 A GB1159777 A GB 1159777A GB 1726668 A GB1726668 A GB 1726668A GB 1726668 A GB1726668 A GB 1726668A GB 1159777 A GB1159777 A GB 1159777A
Authority
GB
United Kingdom
Prior art keywords
transducer
cable
transistor
voltage
april
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
GB1726668A
Inventor
Edward Peter Moran
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.)
Textron Inc
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of GB1159777A publication Critical patent/GB1159777A/en
Priority to GB5422869A priority Critical patent/GB1260576A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/28—Impedance matching networks

Abstract

1,159,777. Transducer circuits. TEXTRON Inc. 10 April, 1968 [17 April, 1967], No. 17266/68. Heading H4J. A piezo-electric transducer, e.g. a microphone, 10, is connected to modulate the D.C. flowing through transistor 35 supplied via a coaxial cable 12 from a regulated supply 15. The voltage applied to the cable 12 is regulated by the series regulator transistor 45 whose impedance is controlled by the regulating transistor 52. The current supplied to the line passes through a resistor 43, the voltage across which, modulated in accordance with the signal from transducer 10, is fed to output terminals 20 via amplifying transistors 60 and 61. The circuit provides a high impedance input for the transducer 10 with a low impedance at the connetting cable 12. A number of voltage regulator circuits, Fig. 2 (not shown), may be connected at intervals along a very long connecting cable.
GB1726668A 1967-04-17 1968-04-10 Signal Transmission Systems. Expired GB1159777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5422869A GB1260576A (en) 1968-04-10 1969-11-05 Signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63138367A 1967-04-17 1967-04-17

Publications (1)

Publication Number Publication Date
GB1159777A true GB1159777A (en) 1969-07-30

Family

ID=24530966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1726668A Expired GB1159777A (en) 1967-04-17 1968-04-10 Signal Transmission Systems.

Country Status (2)

Country Link
FR (1) FR1567359A (en)
GB (1) GB1159777A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414224A1 (en) * 1994-04-23 1995-10-26 Rudolf Dr Richter LF small signal leads transmission distortions compensation method
DE10234479A1 (en) * 2002-07-29 2004-02-12 Infineon Technologies Ag Transmission system for an ISDN subscriber line has a source of signals with an internal resistor and an end resistor to reduce frequency-dependent signal attenuation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414224A1 (en) * 1994-04-23 1995-10-26 Rudolf Dr Richter LF small signal leads transmission distortions compensation method
DE4414224C2 (en) * 1994-04-23 2003-02-06 Rudolf Richter Method for compensating transmission distortions in small signal transmission chains
DE10234479A1 (en) * 2002-07-29 2004-02-12 Infineon Technologies Ag Transmission system for an ISDN subscriber line has a source of signals with an internal resistor and an end resistor to reduce frequency-dependent signal attenuation
US6930567B2 (en) 2002-07-29 2005-08-16 Infineon Technologies Ag Transmission system

Also Published As

Publication number Publication date
DE1762137A1 (en) 1970-04-09
FR1567359A (en) 1969-05-16
DE1762137B2 (en) 1973-01-18

Similar Documents

Publication Publication Date Title
ES8106387A1 (en) Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
GB1242858A (en) Gain controlled amplifier circuit
EP0213768A3 (en) On-line serial communication interfaces
GB1169521A (en) Electrical Voltage Divider Circuits.
GB1043596A (en) Improvements in gating circuits
GB1485905A (en) Gain control circuit
US3168709A (en) Stabilized transistor difference amplifier
GB1239599A (en)
GB1159777A (en) Signal Transmission Systems.
GB1131778A (en) Scanning circuit arrangement
GB1104103A (en) Improvements relating to data transmission apparatus
GB1325784A (en) Telephone circuits utilizing active elements
GB1143316A (en) Voltage stabilizers
GB1311604A (en) Video electronic equipment
GB1151285A (en) Variable Attenuation Circuit
GB1136004A (en) Signal translating circuit
GB1330117A (en) Telephone circuits
GB1223053A (en) Improvements in or relating to balanced to unbalanced coupling circuits
GB1111931A (en) Electrical circuits
GB1105547A (en) Apparatus for testing voltage regulators
GB982129A (en) Improvements in or relating to transistor circuits
GB1372794A (en) Automatic gain control circuits
GB1182481A (en) Improvements in Voltage Regulators
GB1417292A (en) Signal line monitoring circuit arrangements
GB1075031A (en) Power amplifier

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees