AU1938688A - Creación de Inventos y Patentes con Inteligencia Artificial

AU1938688A – Microwave absorber attenuator for linear sspa power control
– Google Patents

AU1938688A – Microwave absorber attenuator for linear sspa power control
– Google Patents
Microwave absorber attenuator for linear sspa power control

Info

Publication number
AU1938688A

AU1938688A
AU19386/88A
AU1938688A
AU1938688A
AU 1938688 A
AU1938688 A
AU 1938688A
AU 19386/88 A
AU19386/88 A
AU 19386/88A
AU 1938688 A
AU1938688 A
AU 1938688A
AU 1938688 A
AU1938688 A
AU 1938688A
Authority
AU
Australia
Prior art keywords
attenuator
linear
power control
microwave absorber
sspa power
Prior art date
1987-05-04
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
AU19386/88A
Other versions

AU599254B2
(en

Inventor
William E. Mcgann
John R. Todd
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.)

AT&T Corp

Original Assignee
American Telephone and Telegraph Co 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.)
1987-05-04
Filing date
1988-04-19
Publication date
1988-12-06

1988-04-19
Application filed by American Telephone and Telegraph Co Inc
filed
Critical
American Telephone and Telegraph Co Inc

1988-12-06
Publication of AU1938688A
publication
Critical
patent/AU1938688A/en

1990-07-12
Application granted
granted
Critical

1990-07-12
Publication of AU599254B2
publication
Critical
patent/AU599254B2/en

2008-04-19
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

H—ELECTRICITY

H03—ELECTRONIC CIRCUITRY

H03G—CONTROL OF AMPLIFICATION

H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal

H03G3/20—Automatic control

H03G3/30—Automatic control in amplifiers having semiconductor devices

H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers

H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers

H—ELECTRICITY

H01—ELECTRIC ELEMENTS

H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE

H01P1/00—Auxiliary devices

H01P1/22—Attenuating devices

H01P1/222—Waveguide attenuators

AU19386/88A
1987-05-04
1988-04-19
Microwave absorber attenuator for linear sspa power control

Ceased

AU599254B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US4541487A

1987-05-04
1987-05-04

US045414

1987-05-04

Publications (2)

Publication Number
Publication Date

AU1938688A
true

AU1938688A
(en)

1988-12-06

AU599254B2

AU599254B2
(en)

1990-07-12

Family
ID=21937744
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU19386/88A
Ceased

AU599254B2
(en)

1987-05-04
1988-04-19
Microwave absorber attenuator for linear sspa power control

Country Status (7)

Country
Link

EP
(2)

EP0578337B1
(en)

JP
(1)

JPH01503348A
(en)

AU
(1)

AU599254B2
(en)

CA
(1)

CA1289207C
(en)

DE
(2)

DE3853041T2
(en)

ES
(1)

ES2013653A6
(en)

WO
(1)

WO1988009064A1
(en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

JP3173484B2
(en)

1998-12-10
2001-06-04
日本電気株式会社

Attenuator, wireless communication device, and reception level control method

Family Cites Families (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

BE534162A
(en)

1953-12-17

US2981907A
(en)

1957-10-18
1961-04-25
Hughes Aircraft Co
Electromagnetic wave attenuator

GB1232912A
(en)

1969-02-20
1971-05-26

US3842292A
(en)

1973-06-04
1974-10-15
Hughes Aircraft Co
Microwave power modulator/leveler control circuit

JPS514747A
(en)

1974-06-27
1976-01-16
Showa Mfg
Ootobaino furontofuooku

US4160220A
(en)

1978-01-23
1979-07-03
Rca Corporation
Precision microwave delay circuit and method

JPS55136702A
(en)

1979-04-11
1980-10-24
Maspro Denkoh Corp
Waveguide

US4485349A
(en)

1983-04-08
1984-11-27
Varian Associates, Inc.
Stabilized microwave power amplifier system

1988

1988-04-19
DE
DE3853041T
patent/DE3853041T2/en
not_active
Expired – Fee Related

1988-04-19
EP
EP93202604A
patent/EP0578337B1/en
not_active
Expired – Lifetime

1988-04-19
DE
DE19883855642
patent/DE3855642T2/en
not_active
Expired – Fee Related

1988-04-19
WO
PCT/US1988/001311
patent/WO1988009064A1/en
active
IP Right Grant

1988-04-19
EP
EP88905262A
patent/EP0313650B1/en
not_active
Expired – Lifetime

1988-04-19
JP
JP50489788A
patent/JPH01503348A/en
active
Pending

1988-04-19
AU
AU19386/88A
patent/AU599254B2/en
not_active
Ceased

1988-05-03
CA
CA000565828A
patent/CA1289207C/en
not_active
Expired – Fee Related

1988-05-04
ES
ES8801363A
patent/ES2013653A6/en
not_active
Expired – Fee Related

Also Published As

Publication number
Publication date

DE3853041T2
(en)

1995-06-08

EP0578337B1
(en)

1996-10-30

DE3855642T2
(en)

1997-02-27

EP0313650A1
(en)

1989-05-03

EP0578337A1
(en)

1994-01-12

ES2013653A6
(en)

1990-05-16

AU599254B2
(en)

1990-07-12

DE3853041D1
(en)

1995-03-23

JPH01503348A
(en)

1989-11-09

CA1289207C
(en)

1991-09-17

EP0313650B1
(en)

1995-02-15

EP0313650A4
(en)

1991-05-22

WO1988009064A1
(en)

1988-11-17

DE3855642D1
(en)

1996-12-05

Información de contacto