Method and system for the positionally correct recording of two echo signals from respective echo soundings taken in mutually opposed sounding directions

Claim 1

The method of recording on a chart recorder the correct positions of two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording on a sheet with a single stylus means the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder.

Claim 2

The method of recording on a chart recorder the correct positions of two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording on a sheet with a single stylus means the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder.

Claim 3

The method of recording on a chart recorder the two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder, and which includes intermediately storing said echo signals from one of said sounding directions in a shift register having a multiplicity (n) of bistate members; and reading-out the shift register in the shift direction by an (n+ 1)-stage ring counter while temporarily maintaining the shift register at standstill.

Claim 4

The method of recording on a chart recorder the two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder, and which includes intermediately storing said echo signals from one of said sounding directions in a shift register having a multiplicity (n) of bistate members; and reading-out the shift register in the shift direction by an (n+ 1)-stage ring counter while temporarily maintaining the shift register at standstill.

Claim 5

The method of recording on a chart recorder the two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder, and which includes intermediately storing said echo signals from one of said sounding directions in a shift register having a multiplicity (n) of bistate members; connecting, during read-out, the input to the output of the shift register to form a ring-shift connection; keying the shift register with a shift frequency f n ((n - 1)/t), wherein n denotes the number of sequential shift register members and to the interval of time during which the read-out is to take place whereby a series of binary information will cyclically appear at the output of the shift register; and supplying to the chart recorder only each (n - 1)-th information for recording.

Claim 6

The method of recording on a chart recorder the two echo signals from pairs of respective soundings taken in mutually opposed sounding directions, which comprises recording the two echo signals of each pair of soundings in the same write-in direction; intermediately storing, in the sequence of their arrival, the echo signals from only one of the two sounding directions; and reading the intermediately stored signals in the reverse sequence out of the storage into the recorder, and which includes intermediately storing said echo signals from one of said sounding directions in a shift register having a multiplicity (n) of bistate members; connecting, during read-out, the input to the output of the shift register to form a ring-shift connection; keying the shift register with a shift frequency f n ((n - 1)/t), wherein n denotes the number of sequential shift register members and to the interval of time during which the read-out is to take place whereby a series of binary information will cyclically appear at the output of the shift register; and supplying to the chart recorder only each (n - 1)-th information for recording.

Claim 7

A system of recording the correCt positions of two echo signals from respective pairs of echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals or each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals and a single stylus for recording both echo signals on a sheet; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency.

Claim 8

A system of recording the correCt positions of two echo signals from respective pairs of echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals or each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals and a single stylus for recording both echo signals on a sheet; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency.

Claim 9

A system of recording the two echo signals from respective pairs or echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals of each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency, said memory means comprising a shift register having a serially connected number (n) of bistate storage members.

Claim 10

A system of recording the two echo signals from respective pairs or echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals of each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency, said memory means comprising a shift register having a serially connected number (n) of bistate storage members.

Claim 12

A system of recording the two echo signals from respective pairs of echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals or each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency, said memory means comprising a shift register having a serially connected number (n) of bistate storage members, said read-out means comprising a ring counter having n+1 stages connected to said shift register, a group of AND-gates of which each has two inputs and one output, a first one of said inputs being connected to the respective outputs of said storage members, said other inputs being connected to said respective ring counter stages with the first shift-register member relative to the shift direction connected to the first stage following the zero position of said ring counter, each next following storage member of said shift register being connected to the next higher stage of said ring counter; and said chart recorder having stylus control means connected to all of said AND-gates outputs.

Claim 13

A system of recording the two echo signals from respective pairs of echo soundings taken in mutually opposed directions, comprising a chart recorder; means for recording on said recorder the two echo signals or each pair of soundings in the same record write-in direction, said means comprising separate receiver circuits for said two echo signals; memory means interposed between said recorder and one of said two receiver circuits for intermediately storing in their receiving sequence the echo signals from only one of said two sounding directions; and read-out means connected between said memory and said recorder for writing into said recorder the stored signals in the reverse sequency, said memory means comprising a shift register having a serially connected number (n) of bistate storage members, said read-out means comprising a ring counter having n+1 stages connected to said shift register, a group of AND-gates of which each has two inputs and one output, a first one of said inputs being connected to the respective outputs of said storage members, said other inputs being connected to said respective ring counter stages with the first shift-register member relative to the shift direction connected to the first stage following the zero position of said ring counter, each next following storage member of said shift register being connected to the next higher stage of said ring counter; and said chart recorder having stylus control means connected to all of said AND-gates outputs.