JPS5260003A - Converter/demodulator of constant difference modulation system - Google Patents

Converter/demodulator of constant difference modulation system

Info

Publication number
JPS5260003A
JPS5260003A JP13563575A JP13563575A JPS5260003A JP S5260003 A JPS5260003 A JP S5260003A JP 13563575 A JP13563575 A JP 13563575A JP 13563575 A JP13563575 A JP 13563575A JP S5260003 A JPS5260003 A JP S5260003A
Authority
JP
Japan
Prior art keywords
modulation system
demodulator
converter
constant difference
difference modulation
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.)
Pending
Application number
JP13563575A
Other languages
Japanese (ja)
Inventor
Takao Moriya
Kazuo Murano
Kiichi Matsuda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13563575A priority Critical patent/JPS5260003A/en
Publication of JPS5260003A publication Critical patent/JPS5260003A/en
Pending legal-status Critical Current

Links

Landscapes

  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE: In a information transmission system, the circuit switching timing is controlled based on preset rules. Thus, a secret call can be performed through the constant difference modulation system.
COPYRIGHT: (C)1977,JPO&Japio
JP13563575A 1975-11-13 1975-11-13 Converter/demodulator of constant difference modulation system Pending JPS5260003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13563575A JPS5260003A (en) 1975-11-13 1975-11-13 Converter/demodulator of constant difference modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13563575A JPS5260003A (en) 1975-11-13 1975-11-13 Converter/demodulator of constant difference modulation system

Publications (1)

Publication Number Publication Date
JPS5260003A true JPS5260003A (en) 1977-05-18

Family

ID=15156406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13563575A Pending JPS5260003A (en) 1975-11-13 1975-11-13 Converter/demodulator of constant difference modulation system

Country Status (1)

Country Link
JP (1) JPS5260003A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161810A (en) * 1978-06-13 1979-12-21 Okamura Shiro Encoding system
JPS5510242A (en) * 1978-07-06 1980-01-24 Shiro Okamura Coding communication system
JPS61121615A (en) * 1984-11-19 1986-06-09 Matsushita Electric Ind Co Ltd Muting device for decorder of dpcm coding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161810A (en) * 1978-06-13 1979-12-21 Okamura Shiro Encoding system
JPS5510242A (en) * 1978-07-06 1980-01-24 Shiro Okamura Coding communication system
JPS61121615A (en) * 1984-11-19 1986-06-09 Matsushita Electric Ind Co Ltd Muting device for decorder of dpcm coding

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