JPH0334704B2 - - Google Patents

Info

Publication number
JPH0334704B2
JPH0334704B2 JP21736884A JP21736884A JPH0334704B2 JP H0334704 B2 JPH0334704 B2 JP H0334704B2 JP 21736884 A JP21736884 A JP 21736884A JP 21736884 A JP21736884 A JP 21736884A JP H0334704 B2 JPH0334704 B2 JP H0334704B2
Authority
JP
Japan
Prior art keywords
signal
frequency
pass filter
band
filter
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
JP21736884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6196843A (ja
Inventor
Ryukichi Tomita
Kazuyoshi Watanabe
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.)
Anritsu Corp
Original Assignee
Anritsu 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 Anritsu Corp filed Critical Anritsu Corp
Priority to JP21736884A priority Critical patent/JPS6196843A/ja
Publication of JPS6196843A publication Critical patent/JPS6196843A/ja
Publication of JPH0334704B2 publication Critical patent/JPH0334704B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP21736884A 1984-10-18 1984-10-18 秘話装置 Granted JPS6196843A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21736884A JPS6196843A (ja) 1984-10-18 1984-10-18 秘話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21736884A JPS6196843A (ja) 1984-10-18 1984-10-18 秘話装置

Publications (2)

Publication Number Publication Date
JPS6196843A JPS6196843A (ja) 1986-05-15
JPH0334704B2 true JPH0334704B2 (enrdf_load_stackoverflow) 1991-05-23

Family

ID=16703078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21736884A Granted JPS6196843A (ja) 1984-10-18 1984-10-18 秘話装置

Country Status (1)

Country Link
JP (1) JPS6196843A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998770A (en) * 1989-08-29 1991-03-12 Suzuki Motor Corporation Armrest for mounting on a console box

Also Published As

Publication number Publication date
JPS6196843A (ja) 1986-05-15

Similar Documents

Publication Publication Date Title
US4170719A (en) Speech transmission system
JPS59115640A (ja) 秘話信号伝送方式
JPH09148984A (ja) 無線電話機の秘話及び逆秘話回路
JPH0334704B2 (enrdf_load_stackoverflow)
JP2001512644A (ja) アナログａｍ無線信号のフェージング補償
CN102752068B (zh) 通信系统、发送装置、接收装置以及通信方法
JPS6384216A (ja) 音声・デ−タ多重化装置
JPH0774564A (ja) 音質改善装置
JPH0147062B2 (enrdf_load_stackoverflow)
SU1223285A1 (ru) Устройство дл сжати частотного диапазона звуковых сигналов
JPH0237852A (ja) 音声秘話装置
JPH04304727A (ja) データ暗号化装置、データ復号化装置、及びデータ暗号化復号化装置
JP2716319B2 (ja) 多重伝送装置
CN105407480B (zh) 一种加密耳麦的加密方法
JPH06188849A (ja) 多重伝送装置
WO2012066739A1 (ja) 通信システムおよび通信方法
JPH02250444A (ja) 秘話装置
JPH0281531A (ja) 秘話装置
JPS6377233A (ja) 音声通信方式
JPS63114330A (ja) 秘話通信装置
JPS60117934A (ja) 秘話通信装置
JPH0237851A (ja) 音声秘話装置
JPH0349221B2 (enrdf_load_stackoverflow)
JPH059973B2 (enrdf_load_stackoverflow)
JPH0242259B2 (enrdf_load_stackoverflow)