PL207691A1 - Sposob i uklad sterowania polprzewodnikowego nadajnika ultradzwiekowego z modulacja czestotliwosci,zwlaszcza do lacznosci podwodnej - Google Patents

Sposob i uklad sterowania polprzewodnikowego nadajnika ultradzwiekowego z modulacja czestotliwosci,zwlaszcza do lacznosci podwodnej

Info

Publication number
PL207691A1
PL207691A1 PL20769178A PL20769178A PL207691A1 PL 207691 A1 PL207691 A1 PL 207691A1 PL 20769178 A PL20769178 A PL 20769178A PL 20769178 A PL20769178 A PL 20769178A PL 207691 A1 PL207691 A1 PL 207691A1
Authority
PL
Poland
Prior art keywords
ultraside
underwater
transmitter
controlling
circuit
Prior art date
Application number
PL20769178A
Other languages
English (en)
Other versions
PL113885B2 (en
Inventor
Waclaw Kosalka
Original Assignee
Wyzsza Szkola Marynarki Wojenn
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 Wyzsza Szkola Marynarki Wojenn filed Critical Wyzsza Szkola Marynarki Wojenn
Priority to PL20769178A priority Critical patent/PL113885B2/pl
Publication of PL207691A1 publication Critical patent/PL207691A1/pl
Publication of PL113885B2 publication Critical patent/PL113885B2/pl

Links

PL20769178A 1978-06-15 1978-06-15 Control system for a frequency-modulated semiconductor-type ultrasonic transmitter especially for underwater communictation purposes PL113885B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL20769178A PL113885B2 (en) 1978-06-15 1978-06-15 Control system for a frequency-modulated semiconductor-type ultrasonic transmitter especially for underwater communictation purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20769178A PL113885B2 (en) 1978-06-15 1978-06-15 Control system for a frequency-modulated semiconductor-type ultrasonic transmitter especially for underwater communictation purposes

Publications (2)

Publication Number Publication Date
PL207691A1 true PL207691A1 (pl) 1979-05-07
PL113885B2 PL113885B2 (en) 1981-01-31

Family

ID=19989980

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20769178A PL113885B2 (en) 1978-06-15 1978-06-15 Control system for a frequency-modulated semiconductor-type ultrasonic transmitter especially for underwater communictation purposes

Country Status (1)

Country Link
PL (1) PL113885B2 (pl)

Also Published As

Publication number Publication date
PL113885B2 (en) 1981-01-31

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20071231