Communication device having a movable front cover for exposing a touch sensitive display

• US 5,584,054 A
• Filed: 07/18/1994
• Issued: 12/10/1996
• Est. Priority Date: 07/18/1994
• Status: Expired due to Term

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Branan, Mac W. Jr., Tyneski, Frank M.
• Primary Examiner(s): Pham, Chi H.
• Application Number:
  US08/276,374
• Time in Patent Office: 876 Days
• Field of Search: 455/89, 455/90, 379/58, 379/61, 379/110, 379/434, 341/22, 341/34
• US Class Current: 455/566
• CPC Class Codes: H04M 1/0214 Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position combined with translation movement H04M1/0235
• CPC Class Codes: H04M 1/0245 using open/close detection
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041

Abstract

A handset (100) has first and second modes of operation controlled by a moveable flap (104). The first mode of operation provides two way voice communication when the moveable flap (104) is in a closed position. The second mode of operation provides a personal organizer when the flap (104) is in a open position.

Claims

1. A portable communication device comprising:

a housing having a front surface;

a front cover coupled to the housing by a hinge, the front cover being moveable between an open position and a closed position, the front cover having an inner surface and an outer surface, the front cover including a plurality of keys on the outer surface of the front cover and a corresponding plurality of pressure surfaces on the inner surface, the inner surface of the front cover and the plurality of pressure surfaces being located adjacent the front surface of the housing when the front cover is in the closed position, each respective pressure surface traveling a predetermined distance from the inner surface of the front cover in response to a key press of a corresponding respective key of the plurality of keys; and

a display screen located on the front surface of the housing, the display screen including a touch sensitive screen operative when the front cover is in the open position for receiving handwritten data for display on the display screen in response to pressure applied to the touch sensitive screen, the display screen including a plurality of touch sensitive activation areas, each respective touch sensitive activation area aligning with a corresponding respective pressure surface when the front cover is in the closed position, each respective pressure surface making contact with the corresponding respective activation area in response to the key press of the corresponding respective key of the plurality of keys for transferring data to the display screen when the front cover is in the closed position.

2. A portable communication device as described in claim 1, further comprising a stylus for entering the handwritten data onto the display screen when the front cover is in the open position.

3. A portable communication device as described in claim 1, wherein the portable communication device operates as a radiotelephone when the front cover is in the closed position and the portable communication device operates as a personal organizer when the front cover is in the open position.

4. A portable communication device as described in claim 3, further comprising a means for receiving signaling information when the front cover is in the open position.

5. A portable communication device as described in claim 2 wherein the housing includes a retaining sleeve for storing the stylus.

6. A portable communication device as described in claim 4 wherein the means for receiving signaling information comprises an antenna coupled to the housing.

7. A portable communication device as recited in claim 1 wherein the front cover includes an aperture forming a display window adjacent to the plurality of keys, the aperture displaying a portion of the display screen adjacent to the plurality of touch sensitive activation areas when the front cover is in the closed position.

8. A portable communication device as recited in claim 1 wherein the portable communication device further comprises:

a controller located within the housing for controlling operation of the portable communication device; and

a sensor switch coupled to the controller, the sensor switch detecting the open position of the front cover, the sensor switch providing to the controller a signal indicative of the open position of the front cover, the controller controlling operation of the portable communication device as a personal organizer in response to the signal indicative of the open position of the front cover.

9. A communication device configured for receiving radio frequency communication, the communication device comprising:

a housing having a front surface, a left side, a right side, a top and a bottom;

a display located on the front surface of the housing, the display including a plurality of touch sensitive activation areas;

a hinge coupled to the left side of the housing;

a front cover coupled to the hinge and movable between an open position and a closed position, the front cover including a plurality of keys, each key having a respective pressure surface, each respective pressure surface aligning with a corresponding touch sensitive activation area when the front cover is in the closed position, each key traveling a predetermined distance to make contact with the corresponding touch sensitive activation area in response to a key press of the key;

an antenna coupled to the housing; and

a stylus detachably coupled to the right side of the housing.

10. A communication device as described in claim 9 wherein the front cover further comprises a body having an aperture forming a display window, and wherein the display includes a first area and a second area, the first area including the plurality of touch sensitive activation areas, and wherein the second area is visible through the aperture when the front cover is in the closed position.

11. A communication device as described in claim 10 wherein the front cover comprises a keypad membrane sandwiched between two plastic elements to form the body, the keypad membrane including the plurality of keys.

12. A communication device as described in claim 11 wherein the front cover has an inner surface and an outer surface and wherein the front cover further comprises a bumper on the inner surface, the bumper spacing each respective pressure surface a predetermined distance from the display when the front cover is in the front position.

13. A communication device as described in claim 9 wherein the communication device further comprises a retaining sleeve at the right side of the housing for storing the stylus.

14. A communication device as recited in claim 9 wherein the communication device further comprises:

a controller located within the housing for controlling operation of the communication device; and

a sensor switch coupled to the controller, the sensor switch detecting the open position of the front cover, the sensor switch providing to the controller a signal indicative of the open position of the front cover, the controller controlling operation of the communication device as a personal organizer in response to the signal indicative of the open position of the front cover.

15. A communication device as recited in claim 14 wherein the controller controls operation of the communication device as a radiotelephone in the absence of the signal indicative of the open position of the front cover.

16. A communication device as recited in claim 9 wherein the display comprises a touch sensitive liquid crystal display.

17. A radiotelephone handset having a front cover coupled to a housing, the housing including a touch sensitive display, the front cover being movable between an open position and a closed position, the front cover including a plurality of keys, each key having a pressure surface located adjacent the display when the front cover is in the closed position, each key being movable in response to a key press for moving the pressure surface a predetermined distance to make contact with the display when the front cover is in the closed position.

18. A radiotelephone handset as described in claim 17 wherein data is transferred to the display in response to the key press when the front cover is in the closed position.

19. A radiotelephone handset as described in claim 18 wherein the radiotelephone handset further comprises a detachable stylus, the stylus configured for engaging the display as a writing tool when the front cover is in the open position, and wherein handwritten data is transferred to the display in response to engagement of the display by the stylus.

20. A radiotelephone handset as recited in claim 19 wherein the radiotelephone handset further comprises a controller located within the housing and a sensor switch coupled to the controller, the sensor switch detecting the open position of the front cover, the sensor switch providing to the controller a signal indicative of the open position of the front cover, the controller controlling operation of the radiotelephone handset as a personal organizer in response to the signal indicative of the open position of the front cover.