Patent US1224291A successfully refreshed from Google Patents.
Patent EP1134834A1 successfully refreshed from Google Patents.
EP1134834A1
Expired / Lapsed
EP
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Transmission output control device, and radio equipment including the same
Assignee: Murata Manufacturing Co Ltd
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Filing: 2000-03-17
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Granted: —
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Expires: 2020-03-17
Abstract
Abstract There is disclosed a transmission output control device (10) comprising: a directional coupler (1) to branch a part of a transmission signal amplified by a high output amplifier (4); and a detector (2) to detect a part of said branched transmission signal; wherein said directional coupler (1) and said detector (2) are integrated with a laminated body in which a plurality of dielectric layers are laminated.
Inventors
- 👤 Toshifumi c/o(A170) Intell. Prop. Dept. Oida
- 👤 Masaki c/o(A170) Intell. Prop. Dept. Kimura
- 👤 Satoshi c/o(A170) Intell. Prop. Dept. Ishimo
- 👤 Norio c/o Nakajima (A170) Intell. Prop. Dept.
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 15:40
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P5/16; H01P5/18; H01P5/184; H01P5/185
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A transmission output control device (10; 20) comprising: a directional coupler (1; 1a, 1b) to branch a part of a transmission signal
amplified by a high output amplifier (4; 4a, 4b); and a detector (2) to detect a part of said branched transmission signal; wherein said directional coupler (1; 1a, 1b) and said detector (2) are
integrated with a laminated body (11; 21) in which a plurality of dielectric layers
(11a-11g; 21a-21j)are laminated.
Claim 2
Dependent Claim
135 words
The transmission output control device (10; 20) according to Claim 1,
wherein: said directional coupler (1; 1a, 1b) includes a main line (1-1; 1a-1, 1b-1)
and a sub line (1-2); said detector (2) includes a detection diode (D), a smoothing capacitor
(C1) and a load resistor (R); the detection diode (D) and the load resistor (R) of said detector (2) are
mounted on said laminated body (11; 21); the main line (1-1; 1a-1, 1b-1) and the sub line (1-2) of said directional
coupler (1; 1a, 1b) comprise strip line electrodes (ST11, ST12) provided inside
said laminated body (11; 21); and the smoothing capacitor (C1) of said detector (2) comprises a capacitor
electrode (Cp1) and a ground electrode (Gp1, Gp2) provided to be opposed each
other via said dielectric layers inside said laminated body (11; 21).
Claim 3
Dependent Claim
58 words
The transmission output control device (10; 20) according to Claims 1
or 2, wherein: a plurality of said directional couplers (1; 1a, 1b) are provided; and the
plurality of said directional couplers (1; 1a, 1b) are ready for the transmission
signal of different frequencies and disposed on different dielectric layers out of a
plurality of said dielectric layers.
Claim 4
Dependent Claim
18 words
A radio equipment including the transmission output control device (10,
20) of one of Claims 1 to 3.
References Cited (Backward Citations)
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