[go: up one dir, main page]

JPS554172A - Duplex branching filter device - Google Patents

Duplex branching filter device

Info

Publication number
JPS554172A
JPS554172A JP7730578A JP7730578A JPS554172A JP S554172 A JPS554172 A JP S554172A JP 7730578 A JP7730578 A JP 7730578A JP 7730578 A JP7730578 A JP 7730578A JP S554172 A JPS554172 A JP S554172A
Authority
JP
Japan
Prior art keywords
filter
receiving antenna
band
reception
duplex
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.)
Granted
Application number
JP7730578A
Other languages
English (en)
Other versions
JPS584500B2 (ja
Inventor
Akira Mishima
Tsunao Kanebori
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP53077305A priority Critical patent/JPS584500B2/ja
Publication of JPS554172A publication Critical patent/JPS554172A/ja
Publication of JPS584500B2 publication Critical patent/JPS584500B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Radio Transmission System (AREA)
JP53077305A 1978-06-24 1978-06-24 送受分波装置 Expired JPS584500B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53077305A JPS584500B2 (ja) 1978-06-24 1978-06-24 送受分波装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53077305A JPS584500B2 (ja) 1978-06-24 1978-06-24 送受分波装置

Publications (2)

Publication Number Publication Date
JPS554172A true JPS554172A (en) 1980-01-12
JPS584500B2 JPS584500B2 (ja) 1983-01-26

Family

ID=13630190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53077305A Expired JPS584500B2 (ja) 1978-06-24 1978-06-24 送受分波装置

Country Status (1)

Country Link
JP (1) JPS584500B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234721A (ja) * 1986-03-01 1987-10-15 インダストリアス テクノマチク エス エ− 改良された構造の新規な自動車用日よけ
EP0268532A2 (en) * 1986-11-13 1988-05-25 Fujitsu Limited Signal processing circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234721A (ja) * 1986-03-01 1987-10-15 インダストリアス テクノマチク エス エ− 改良された構造の新規な自動車用日よけ
EP0268532A2 (en) * 1986-11-13 1988-05-25 Fujitsu Limited Signal processing circuit

Also Published As

Publication number Publication date
JPS584500B2 (ja) 1983-01-26

Similar Documents

Publication Publication Date Title
TW376671B (en) Multiple antenna detecting and selecting
ES8705173A1 (es) Un dispositivo alejado destinado a hacer posible el uso de comunicaciones con un sistema de comunicacion por linea de alimentacion
KR880003489A (ko) 다이버시티 수신 기능을 갖고 있는 휴대용 무선 통신 장치.
EP0920146A3 (en) Transceiver with rf loopback and downlink frequency scanning
JPS6411430A (en) Radio communication system
US4385378A (en) High power multiplexer for dual polarized frequency reuse earth stations
JPS554172A (en) Duplex branching filter device
JPS57197934A (en) Radio transmitter and receiver
JPS5577247A (en) Diversity transmitter-receiver
GB890296A (en) Improvements in or relating to electromagnetic wave transmission systems and apparatus for use therewith
US6549760B1 (en) Communications device
CN212517499U (zh) 一种新型走线天线及电子设备
JPS5597746A (en) Diversity system of communication beyond horizon
CN219611780U (zh) 一种应急求救的天线匹配电路结构
JPS6031322Y2 (ja) 送受分波器
JPS5624867A (en) Facsimile simultaneous transmission and reception system
JPS6035311Y2 (ja) 送受分波器
JPS6429131A (en) Transmission/reception antenna sharing system
EP0271347A3 (en) Radio transmitter arrangements
Mahmoud Reply by SF Mahmoud [to'Comments on" Calculated channel characteristics of a braided coaxial cable in a mine tunnel"']
JPS5724129A (en) Antenna circuit
SU1163460A1 (ru) Сумматор телевизионных сигналов изображени и звука
JPH0662603U (ja) 導波管分波器
JPS575445A (en) Antenna device
JPS635929B2 (ja)