Transmitter-receiver

• US 6,542,050 B1
• Filed: 03/20/2000
• Issued: 04/01/2003
• Est. Priority Date: 03/30/1999
• Status: Active Grant

• Current Assignee: NGK Insulators Limited
• Original Assignee: NGK Insulators Limited
• Inventors: Arai, Hiroyuki, Mizuno, Kazuyuki, Mizutani, Yasuhiko, Hirai, Takami
• Primary Examiner(s): Pascal, Robert
• Assistant Examiner(s): TAKAOKA, DEAN O
• Application Number:
  US09/528,735
• Time in Patent Office: 1,107 Days
• Field of Search: 333/134, 333/129, 333/126, 333/132, 343/700.MS
• US Class Current: 333/134
• CPC Class Codes: H01Q 1/24 with receiving set
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H04B 1/40 Circuits

Abstract

A transmitter 18 and a receiver 24 are formed integrally with a dielectric substrate 12. The transmitter 18 includes a transmitter filter 14 and a transmitter antenna 16 connected to the transmitter filter 14. The receiver 24 includes a receiver filter 20 and a receiver antenna 22 connected to the receiver filter 20. The transmitter filter 14 is formed with resonant elements 30a-30c arranged parallel to each other. The transmitter antenna 16 includes an antenna 32 formed from an electrode film on the upper surface of the receiver filter 20. The receiver filter 20 is formed from resonant elements 34a-34c arranged parallel to each other. The receiver antenna 22 includes an antenna 36 formed from an electrode film on the upper surface of the dielectric substrate 12.

Claims

1. A transmitter-receiver component comprising a transmitter element, including a transmitter filter and a transmitter antenna connected to said transmitter filter, and a receiver element, including a receiver filter and a receiver antenna connected to said receiver filter, wherein said transmitter element and said receiver element are formed integrally in a monolithic dielectric body.

2. The transmitter-receiver component of claim 1, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said monolithic dielectric body, and said receiver filter and said receiver antenna are formed in separate planar regions of said monolithic dielectric body.

3. The transmitter-receiver component of claim 1, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed shield electrode, and said receiver antenna is formed directly above said receiver filter through an interposed shield electrode.

4. The transmitter-receiver component of claim 1, further comprising a shield electrode formed between said transmitter element and said receiver element.

5. The transmitter-receiver component of claim 1, further comprising a gap formed between said transmitter element and said receiver element, and a shield electrode formed at least on an inner perimeter surface of said gap.

6. The transmitter-receiver component of claim 1, wherein said receiver element includes at least two receiver filters and at least two receiver antennae connected to said receiver filters, respectively.

7. The transmitter-receiver component of claim 6, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said monolithic dielectric body, and said at least two receiver filters and said at least two receiver antennae are formed in separate planar regions of said monolithic dielectric body, respectively.

8. The transmitter-receiver component of claim 7, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed shield electrode, and said receiver antennae are formed directly above said receiver filters, respectively, through interposed shield electrodes.

9. The transmitter-receiver component of claim 6, further comprising a shield electrode formed between said transmitter element and said receiver elements, and a shield electrode formed between said receiver elements.

10. The transmitter-receiver component of claim 6, further comprising a gap formed between said transmitter element and said receiver elements, a gap formed between said receiver elements, and a shield electrode formed at an inner perimeter surface of said gap.

11. The transmitter-receiver component of claim 1, wherein said transmitter antenna is independent of said receiver antenna.

12. A transmitter-receiver comprising:

a transmitter including a transmitter element having a transmitter filter electrically connected to a transmitter antenna, said transmitter filter being formed on a first transmitter dielectric body and said transmitter antenna being formed on a separate, second transmitter dielectric body;

a receiver including a receiver element having a receiver filter electrically connected to a receiver antenna, said receiver filter being formed on a first receiver dielectric body and said receiver antenna being formed on a separate, second receiver dielectric body; and

signal processing means for processing signals transmitted by said transmitter and received by said receiver.

13. The transmitter-receiver subassembly of claim 12, further comprising a second receiver element comprising a receiver filter electrically connected to a receiver antenna, said receiver filter being formed on a third receiver dielectric body and said receiver antenna being formed on a separate, fourth receiver dielectric body.

14. The transmitter-receiver of claim 13, further comprising a switching mechanism for selecting one of said two receiver filters based on sensitivity.

15. A transmitter-receiver subassembly comprising:

a substrate;

a transmitter element positioned on said substrate, said transmitter element comprising a transmitter filter electrically connected to a transmitter antenna, said transmitter filter being formed on a first transmitter dielectric body and said transmitter antenna being formed on a separate, second transmitter dielectric body; and

a receiver element positioned on said substrate, said receiver element comprising a receiver filter electrically connected to a receiver antenna, said receiver filter being formed on a first receiver dielectric body and said receiver antenna being formed on a separate, second receiver dielectric body.

16. The transmitter-receiver subassembly of claim 15, further comprising a second receiver element positioned on said substrate, said second receiver element comprising a receiver filter electrically connected to a receiver antenna, said receiver filter being formed on a third receiver dielectric body and said receiver antenna being formed on a separate, fourth receiver dielectric body.

17. A transmitter-receiver comprising:

a transmitter including a transmitter element having a transmitter filter and a transmitter antenna connected to said transmitter filter;

a receiver including a receiver element having a receiver filter and a receiver antenna connected to said receiver filter; and

signal processing means for processing signals transmitted by said transmitter and received by said receiver.

18. The transmitter-receiver of claim 17, wherein said transmitter element and said receiver element are formed integrally in a monolithic dielectric body.

19. The transmitter-receiver of claim 18, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said monolithic dielectric body, and said receiver filter and said receiver antenna are formed in separate planar regions of said monolithic dielectric body.

20. The transmitter-receiver of claim 18, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed shield electrode, and said receiver antenna is formed directly above said receiver filter through an interposed shield electrode.

21. The transmitter-receiver of claim 18, further comprising a shield electrode formed between said transmitter element and said receiver element.

22. The transmitter-receiver of claim 18, further comprising a gap formed between said transmitter element and said receiver element, and a shield electrode formed at least on an inner perimeter surface of said gap.

23. The transmitter-receiver of claim 17, wherein said receiver element includes at least two receiver filters and at least two receiver antennae connected to said receiver filters, respectively.

24. The transmitter-receiver of claim 23, further comprising a switching mechanism for selecting one of said two receiver filters based on sensitivity.

25. The transmitter-receiver of claim 23, wherein said transmitter element and said receiver element are formed integrally in a monolithic dielectric body.

26. The transmitter-receiver of claim 25, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said monolithic dielectric body, and said at least two receiver filters and said at least two receiver antennae are formed in separate planar regions of said monolithic dielectric body, respectively.

27. The transmitter-receiver of claim 25, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed shield electrode, and said receiver antennae are formed directly above said receiver filters, respectively, through interposed shield electrodes.

28. The transmitter-receiver of claim 25, further comprising a shield electrode formed between said transmitter element and said receiver elements, and a shield electrode formed between said receiver elements.

29. The transmitter-receiver of claim 25, further comprising a gap formed between said transmitter element and said receiver elements, a gap formed between said receiver elements, and a shield electrode formed at an inner perimeter surface of said gap.

30. The transmitter-receiver of claim 17, wherein said transmitter element is formed integrally in a first monolithic dielectric body, and said receiver element is formed integrally in a second monolithic dielectric body.

31. The transmitter-receiver of claim 30, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said first monolithic dielectric body, and said receiver filter and said receiver antenna are formed in separate planar regions of said second monolithic dielectric body.

32. The transmitter-receiver of claim 30, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed dielectric layer, and said receiver antenna is formed directly above said receiver filter through an interposed dielectric layer.

33. The transmitter-receiver of claim 30, further comprising a second receiver element including a receiver filter and a receiver antenna connected to said receiver filter, said receiver filter and said receiver antenna being formed integrally in a third monolithic dielectric body.

34. The transmitter-receiver of claim 33, further comprising a switching mechanism for selecting one of said two receiver filters based on sensitivity.

35. The transmitter-receiver component of claim 17, wherein said transmitter antenna is independent of said receiver antenna.

36. A transmitter-receiver subassembly comprising:

a substrate;

a transmitter element positioned on said substrate, said transmitter element including a transmitter filter and a transmitter antenna connected to said transmitter filter, said transmitter filter and said transmitter antenna being formed integrally in a first monolithic dielectric body; and

a receiver element positioned on said substrate, said receiver element including a receiver filter and a receiver antenna connected to said receiver filter, said receiver filter and said receiver antenna being formed integrally in a second monolithic dielectric body.

37. The transmitter-receiver subassembly of claim 36, wherein said transmitter filter and said transmitter antenna are formed in separate planar regions of said first monolithic dielectric body, and said receiver filter and said receiver antenna are formed in separate planar regions of said second monolithic dielectric body.

38. The transmitter-receiver subassembly of claim 36, wherein said transmitter antenna is formed directly above said transmitter filter through an interposed dielectric layer, and said receiver antenna is formed directly above said receiver filter through an interposed dielectric layer.

39. The transmitter-receiver subassembly of claim 36, further comprising a second receiver element positioned on said substrate, said second receiver element including a receiver filter and a receiver antenna connected to said receiver filter, said receiver filter and said receiver antenna being formed integrally in a third monolithic dielectric body.