Telephone mouthpiece modular coupler

• US 4,580,009 A
• Filed: 05/08/1984
• Issued: 04/01/1986
• Est. Priority Date: 05/08/1984
• Status: Expired due to Fees

• Current Assignee: Digital Systems International, Inc. (Nokia Corporation)
• Original Assignee: Microperipheral Corporation
• Inventors: Darland, Michael L.
• Primary Examiner(s): NOT, DEFINED
• Application Number:
  US06/608,330
• Time in Patent Office: 693 Days
• Field of Search: 179/2 C, 179/2 DP, 179/178, 339/28, 339/29 R, 339/29 B
• US Class Current: 379/443
• CPC Class Codes: H04M 1/215 by non-intrusive coupling means, e.g. acoustic couplers

Abstract

A telephone mouthpiece modular coupler for directly connecting a modular telephone line cord to a conventional non-modular telephone unit having electrical contacts and a telephone handset. A substantially cylindrical, flexible coupler cup containing center and annular electrical coupler contacts and a modular line jack is provided. The coupler cup is removably attachable to a mouthpiece portion of a telephone handset. When attached, the center and annular coupler contacts create electrical connections to electrical contacts of the telephone mouthpiece. The modular line cord can be connected at one end to the clip receptacle of a direct connect modem, and at an opposite end to the modular line jack of the modular coupler, directly connecting the modem to the telephone system without using a bulky and relatively inefficient acoustical coupler device.

Claims

1. A telephone mouthpiece modular coupler for directly connecting a modular telephone line cord such as is attached to a direct-connect type modem, to a conventional non-modular telephone unit, such as those manufactured by Bell, GTE and ITE, having electrical contacts in a telephone handset comprising:

a coupler cup for attachment to an exposed mouthpiece of the telephone handset having a circular cup base and a substantially cylindrical cup wall rigidly attached to the cup base;

two or more electrical coupler contacts positioned in an interior portion of the coupler cup to create electrical connections to two or more mouthpiece contacts located in the mouthpiece of the telephone handset, the coupler contacts comprising a center contact positioned substantially along a longitudinal axis of the coupler cup, and an annular contact positioned substantially coaxially with the longitudinal axis of the coupler cup; and

a modular telephone line jack fixedly attached to the coupler cup and capable of creating electrical connections between the coupler contacts and one or more conductors of the telephone cord.

2. The modular coupler of claim 1 wherein the center contact has a center contacting element positioned at a predetermined distance from the cup base toward an open end of the coupler cup.

3. The modular coupler of claim 2 wherein the center contacting element is rigidly attached to a center support extending between the center contacting element and the cup base.

4. The modular coupler of claim 3 wherein the center support is fixedly attached to a contact conductor plate positioned adjacent to the cup base.

5. The modular conductor of claim 1 wherein the center contact has a first center contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward the open end of the coupler cup, and a second center contacting element extending a predetermined distance from the first center contacting element toward the open end of the coupler cup.

6. The modular coupler of claim 5 wherein the second center contacting element terminates in a flat triangular portion oriented at a predetermined angle to the longitudinal axis of the coupler cup.

7. The modular coupler of claim 5 wherein the second center contacting element is a flat, substantially rectangular element oriented substantially perpendicular to the first center contacting element.

8. The modular coupler of claim 7 wherein a center of the first center contacting element is positioned substantially along the longitudinal axis of the coupler cup, and the first center contacting element is rigidly attached to a center support extending between the first center contacting element and the surface of the cup base.

9. The modular coupler of claim 8 wherein the first and second center contacting elements and the center support are integrally fabricated as the center contact from a single piece of conducting material.

10. The modular coupler of claim 1 wherein the annular contact has an annular contacting element positioned at a predetermined distance from the cup base toward the open end of the coupler cup.

11. The modular coupler of claim 1 wherein the annular contact has a first annular contacting element adjacent and substantially parallel to the cup base.

12. The modular coupler of claim 11 wherein the annular contact further has a second annular contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward the open end of the coupler cup.

13. The modular coupler of claim 12 wherein the second annular contacting element is supported by a cantilevered support rigidly attached to and connecting the first and second annular contacting elements.

14. The modular coupler of claim 13 wherein interior and exterior diameters of the first annular contacting element are greater than interior and exterior diameters, respectively, of the second annular contacting element.

15. The modular coupler of claim 14 wherein the first and second annular contacting elements and the cantilevered support are integrally fabricated as the annular contact from a single piece of conducting material.

16. The modular coupler of claim 12 wherein the second annular contacting element is supported by a continuous annular support rigidly attached to and connecting the first and second annular contacting elements.

17. The modular coupler of claim 16 wherein the continuous annular support is a conical section and where interior and exterior diameters of the first annular contacting element are greater than interior and exterior diameters, respectively, of the second annular contacting element.

18. The modular coupler of claim 17 wherein the first and second annular contacting elements and the continuous annular support are integrally fabricated as the annular contact from a single piece of conducting material.

19. A telephone mouthpiece modular coupler for directly connecting a modular telephone line cord such as is attached to a direct-connect type modem, to a conventional non-modular telephone unit, such as those manufactured by Bell, GTE and ITE, having electrical contacts in a telephone handset, comprising:

a coupler cup for attachment to an exposed mouthpiece of the telephone handset having a circular cup base and a substantially cylindrical cup wall rigidly attached to the cup base;

two or more electrical coupler contacts positioned in an interior portion of the coupler cup to create electrical connections to two or more mouthpiece contacts located in the mouthpiece of the telephone handset; and

a modular telephone line jack fixedly attached to the coupler cup and capable of creating electrical connections between the coupler contacts and one or more conductors of the telephone line cord, the modular line jack being positioned with a longitudinal axis of a clip receptacle of the modular line jack substantially coaxial with a longitudinal axis of the coupler cup, and with the clip receptacle positioned exterior of the cup base.

20. The modular coupler of claim 19 wherein a contact base plate having electrically conducting paths connecting contact pins of the modular line jack to the coupler contacts is positioned adjacent to the cup base.

21. The modular coupler of claim 20 wherein the modular line jack, contact base plate, and at least one coupler contact are preassembled into a single unit.

22. The modular coupler of claim 19 wherein the modular line jack is held in position by cup flanges rigidly attached to and perpendicular to an exterior surface of the cup base.

23. A telephone mouthpiece modular coupler for directly connecting a modular telephone line cord, such as is connected to a direct-connect type data communications modem, to a conventional non-modular telephone unit, such as those manufactured by Bell, GTE and ITE, having electrical contacts in a telephone handset, comprising:

a substantially cylindrical coupler cup for attachment to the mouthpiece of the telephone handset, having a circular cup base and a substantially cylindrical cup wall rigidly attached to the cup base;

a center coupler contact positioned substantially along a longitudinal axis of the coupler cup, having;

a first center contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward an open end of the coupler cup,

a center support rigidly attached to the first center contacting element and extending between the first center contacting element and the cup base, and

a second center contacting element substantially perpendicular to the first center contacting element and extending therefrom toward the open end of the coupler cup, and terminating in a triangular portion oriented at a predetermined angle to the longitudinal axis of the coupler cup;

an annular coupler contact having;

a first annular contacting element positioned adjacent and substantially parallel to the cup base,

a second annular contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward the open end of the coupler cup, and

a cantilevered support rigidly attached to and connecting the first and second annular contacting elements; and

a modular line jack having contact pins electrically connected to the coupler contacts, and positioned with a longitudinal axis of a clip receptacle of the modular line jack substantially coaxial with the longitudinal axis of the coupler cup, and with the clip receptacle positioned exterior of the cup base.

24. A telephone mouthpiece modular coupler for directly connecting a modular telephone line cord, such as is directly connected to a direct-connect type data communications modem, to a conventional non-modular telephone unit, such as those manufactured by Bell, GTE and ITE, having electrical contacts in a telephone handset, comprising:

a substantially cylindrical coupler cup for attachment to the mouthpiece of the telephone handset, having a circular cup base and a substantially cylindrical cup wall rigidly attached to the cup base;

a center coupler contact positioned substantially along a longitudinal axis of the coupler cup, having;

a first center contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward an open end of the coupler cup,

a center support rigidly attached to the first center contacting element and extending between the first center contacting element and the cup base, and

a flat, substantially rectangular second center contacting element substantially perpendicular to the first center contacting element and extending therefrom toward the open end of the coupler cup;

an annular coupler contact having;

a first annular contacting element positioned adjacent and substantially parallel to the cup base,

a second annular contacting element positioned substantially parallel to the cup base at a predetermined distance from the cup base toward the open end of the coupler cup, and having interior and exterior diameters smaller than interior and exterior diameters, respectively, of the first center contacting element, and

a continuous annular support having substantially the shape of a conical section, and rigidly attached to and connecting the first and second annular contacting elements; and

a modular line jack having contact pins electrically connected to the coupler contacts, and positioned with a longitudinal axis of a clip receptacle of the modular line jack substantially coaxial with the longitudinal axis of the coupler cup, and with the clip receptacle positioned exterior of the cup base.