1. A lead frame, comprising:
a body portion; and
a plurality of members extending from said body portion, each of said members having a proximal end and a distal end, said proximal end having a first thickness, said distal end being undulated such that said distal end has an effective thickness greater than said first thickness, said distal end defining opposed surfaces for simultaneously bridging facing contact surfaces which are separated by a dimension greater than said first thickness.
2. The lead frame of claim 1, wherein said distal end is offset formed.
3. The lead frame of claim 1, wherein said distal end is corrugated formed.
4. The lead frame of claim 1, wherein each of said members is bent at an angle of approximately 90\xb0 such that said distal ends of said members extend in a direction substantially perpendicular to said body.
5. The lead frame of claim 1, wherein said plurality of members define a plane, each of said members being nonlinear in a direction within said plane.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A pulse transmitting apparatus comprising:
a pulse generating section that generates a pulse according to data to be transmitted;
an acquiring section that acquires a delay time, which a delayed pulse takes behind a main pulse to arrive at a communicating party;
a non-use interval providing section that provides a non-use interval, in which a pulse is not transmitted, based on the delay time;
a pulse position adjusting section that adjusts a pulse position of the pulse such that the pulse is not transmitted in the non-use interval; and
a radio transmitting section that transmits a pulse signal, the pulse signal comprising the pulse, which is converted to a radio frequency band in a pulse position adjusted by the pulse position adjusting section.
2. The pulse transmitting apparatus according to claim 1, wherein the non-use interval providing section provides the non-use interval immediately after a symbol interval in which an on-pulse signal is transmitted.
3. The pulse transmitting apparatus according to claim 1, wherein, if on-pulse signals are transmitted in consecutive symbol intervals, the non-use interval providing section provides the non-use interval between the symbol intervals.
4. The pulse transmitting apparatus according to claim 3, further comprising a differential flag generating section that generates a differential flag from a bit transition of transmission data to be allocated to the consecutive symbol intervals,
wherein the non-use interval providing section determines whether or not the on-pulse signals are transmitted in the consecutive symbol intervals using the differential flag.
5. The pulse transmitting apparatus according to claim 1, wherein:
the pulse generating section generates a pulse in which a pulse occupying interval equals a interval length defined by dividing a symbol interval evenly; and
the non-use interval providing section provides a non-use interval that equals the interval length of the pulse occupying interval.
6. The pulse transmitting apparatus according to claim 5, wherein, in one symbol interval, the pulse position adjusting section adjusts the pulse position on a per pulse occupying interval basis.
7. The pulse transmitting apparatus according to claim 1, wherein:
the pulse generating section generates a pulse in which a pulse occupying interval equals a symbol interval;
the non-use interval providing section inserts, between symbol intervals, the non-use interval that equals the interval length of the pulse occupying interval; and
the pulse position adjusting section adjusts the pulse position on a per symbol interval basis.
8. A pulse receiving apparatus comprising:
a pulse receiving section that receives a pulse signal transmitted from a communicating party;
a pulse detecting section that detects whether or not there is a pulse, by sampling the pulse signal received in the receiving section, at time intervals of the pulse occupying interval in which the pulse signal is allocated;
a correcting section that corrects a pulse detection result in a pulse occupying interval overlapping a delay time which a delayed pulse takes behind a main pulse to arrive at the pulse receiving apparatus, such that there is no pulse; and
a demodulating section that generates demodulated data from the pulse detection result corrected by the correcting section.
9. A pulse communication system comprising:
a pulse transmitting apparatus comprising:
a pulse generating section that generates a pulse according to data to be transmitted;
an acquiring section that acquires a delay time which a delayed pulse takes behind a main pulse to arrive at a communicating party;
a non-use interval providing section that provides a non-use interval, in which a pulse is not transmitted, based on the delay time;
a pulse position adjusting section that adjusts a pulse position of the pulse such that the pulse is not transmitted in the non-use interval; and
a radio transmitting section that transmits a pulse signal, the pulse signal comprising the pulse, which is converted to a radio frequency band in a pulse position adjusted by the pulse position adjusting section; and
a pulse receiving apparatus comprising:
a receiving section that receives the pulse signal;
a measuring section that measures a time a delayed pulse of an on-pulse signal takes to be received after a main pulse of the on-pulse signal is received, as the delay time;
a pulse detecting section that detects whether or not there is a pulse in the received pulse signal by sampling the received pulse signal at time intervals of the pulse occupying interval in which the pulse signal is allocated;
a correcting section that corrects, amongst pulse detection results produced in the pulse detecting section, a pulse detection result in a pulse occupying interval overlapping the delay time, such that there is no pulse; and
a demodulating section that generates demodulated data from the pulse detection result corrected by the correcting section.
10. A pulse communication method comprising the steps of:
generating a pulse according to data to be transmitted;
acquiring a delay time which a delayed pulse takes behind a main pulse to arrive at a communicating party;
providing a non-use interval in which a pulse is not transmitted, based on the delay time;
adjusting a pulse position of the pulse such that the pulse is not transmitted in the non-use interval; and
transmitting a pulse signal, the pulse signal comprising the pulse, which is converted to a radio frequency band in an adjusted pulse position.