| JPS592876B2              (en)* | 1972-07-10 | 1984-01-20 | セイコーインスツルメンツ株式会社 | Time display correction device | 
| JPS5441349B2              (en)* | 1973-01-12 | 1979-12-07 |  |  | 
| CH585426B5              (en)* | 1973-02-27 | 1977-02-28 | Ebauches Sa |  | 
| US3981138A              (en)* | 1973-05-31 | 1976-09-21 | Uranus Electronics, Inc. | Digital display timepiece | 
| BE802129A              (en)* | 1973-07-10 | 1973-11-05 | Suisse Horlogerie | TIME-SETTING DEVICE FOR ELECTRONIC WATCH | 
| US3884033A              (en)* | 1973-10-17 | 1975-05-20 | American Micro Syst | Switch for electronic watch | 
| US3934401A              (en)* | 1973-10-17 | 1976-01-27 | American Microsystems, Inc. | Switch for electronic watch | 
| US3846972A              (en)* | 1973-12-26 | 1974-11-12 | Textron Inc | Crystal controlled watch | 
| JPS50107973A              (en)* | 1974-01-30 | 1975-08-25 |  |  | 
| JPS50120668A              (en)* | 1974-03-07 | 1975-09-22 |  |  | 
| US3874162A              (en)* | 1974-07-22 | 1975-04-01 | Timex Corp | Solid state watch stem detent and switch assembly | 
| JPS569672B2              (en)* | 1974-09-06 | 1981-03-03 |  |  | 
| JPS5136976A              (en)* | 1974-09-24 | 1976-03-29 | Seiko Instr & Electronics |  | 
| JPS5168865A              (en)* | 1974-12-11 | 1976-06-14 | Seiko Instr & Electronics | Denshidokei niokeru jikokushuseisochi | 
| US3952176A              (en)* | 1974-12-13 | 1976-04-20 | Texas Instruments Incorporated | Multiple pole pushbutton rotary switch | 
| JPS5737115Y2              (en)* | 1975-04-08 | 1982-08-16 |  |  | 
| JPS51143327A              (en)* | 1975-06-04 | 1976-12-09 | Canon Inc | Photographing data indication system | 
| DE2660840C2              (en)* | 1975-06-04 | 1985-08-08 | Canon K.K., Tokio/Tokyo | Information entry system for a camera | 
| DE2628899C2              (en)* | 1976-06-26 | 1986-02-20 | Diehl GmbH & Co, 8500 Nürnberg | Electronic clock | 
| DE2628794C3              (en)* | 1976-06-26 | 1985-07-18 | Diehl GmbH & Co, 8500 Nürnberg | Setting device for an electronic digital display | 
| JPS5245980A              (en)* | 1975-10-09 | 1977-04-12 | Seiko Instr & Electronics Ltd | Digital electronic watch | 
| JPS5249063A              (en)* | 1975-10-16 | 1977-04-19 | Seiko Instr & Electronics Ltd | Digital electronic watch | 
| US4055945A              (en)* | 1975-12-15 | 1977-11-01 | Timex Corporation | Frequency adjustment means for an electronic timepiece | 
| JPS5334575A              (en)* | 1976-09-10 | 1978-03-31 | Copal Co Ltd | Time adjusting device for electronic clock | 
| CH613336B              (en)* | 1976-10-04 |  | Ebauches Sa | ELECTRO-MECHANICAL WATCH PART TO CALENDAR. | 
| JPS5355079A              (en)* | 1976-10-28 | 1978-05-19 | Citizen Watch Co Ltd | Correction system of electronic watch | 
| JPS5386284A              (en)* | 1976-12-13 | 1978-07-29 | Citizen Watch Co Ltd | Crystal timepiece | 
| DE2658105B2              (en)* | 1976-12-22 | 1979-03-22 | Diehl Gmbh & Co, 8500 Nuernberg | Contact controlled pulse generator | 
| US4209975A              (en)* | 1977-05-11 | 1980-07-01 | Kabushiki Kaisha Seikosha | Time adjusting means for electronic timepiece | 
| DE2726383C2              (en)* | 1977-06-10 | 1985-07-18 | Diehl GmbH & Co, 8500 Nürnberg | Electromechanical control device for an electronic digital display | 
| JPS5824232Y2              (en)* | 1977-06-27 | 1983-05-24 | セイコーインスツルメンツ株式会社 | time adjustment device | 
| JPS54130163A              (en)* | 1978-03-31 | 1979-10-09 | Citizen Watch Co Ltd | Electronic watch | 
| JPS554556A              (en)* | 1978-06-27 | 1980-01-14 | Seiko Instr & Electronics Ltd | Switch structure of electronic watche | 
| DE2835200C3              (en)* | 1978-08-11 | 1984-06-28 | Diehl GmbH & Co, 8500 Nürnberg | Method and circuit for setting an electronic digital display of a target duration | 
| DE2856249A1              (en)* | 1978-12-27 | 1980-07-17 | Graesslin Feinwerktech | Input and setting device for digital appts. - has manually operated pulse generator writing pulses into data memory or counter | 
| US4536095A              (en)* | 1984-09-13 | 1985-08-20 | Timex Corporation | Crown setting switch for a wristwatch | 
| DE3608930A1              (en)* | 1986-03-18 | 1987-09-24 | Standard Elektrik Lorenz Ag | METHOD FOR REGULATING THE OPTICAL PERFORMANCE OF A LASER AND CIRCUIT FOR IMPLEMENTING THE METHOD | 
| US4905213A              (en)* | 1988-12-06 | 1990-02-27 | Masse Viola H | Medication reminder | 
| JPH0488882U              (en)* | 1989-11-10 | 1992-08-03 |  |  | 
| US9753436B2              (en) | 2013-06-11 | 2017-09-05 | Apple Inc. | Rotary input mechanism for an electronic device | 
| EP3014400B1              (en) | 2013-08-09 | 2020-06-03 | Apple Inc. | Tactile switch for an electronic device | 
| US10048802B2              (en) | 2014-02-12 | 2018-08-14 | Apple Inc. | Rejection of false turns of rotary inputs for electronic devices | 
| US10190891B1              (en) | 2014-07-16 | 2019-01-29 | Apple Inc. | Optical encoder for detecting rotational and axial movement | 
| KR20250021617A              (en) | 2014-09-02 | 2025-02-13 | 애플 인크. | Wearable electronic device | 
| WO2016141228A1              (en) | 2015-03-05 | 2016-09-09 | Apple Inc. | Optical encoder with direction-dependent optical properties | 
| EP3251139B1              (en) | 2015-03-08 | 2021-04-28 | Apple Inc. | Compressible seal for rotatable and translatable input mechanisms | 
| US9891651B2              (en) | 2016-02-27 | 2018-02-13 | Apple Inc. | Rotatable input mechanism having adjustable output | 
| US10551798B1              (en) | 2016-05-17 | 2020-02-04 | Apple Inc. | Rotatable crown for an electronic device | 
| US10061399B2              (en) | 2016-07-15 | 2018-08-28 | Apple Inc. | Capacitive gap sensor ring for an input device | 
| US10019097B2              (en) | 2016-07-25 | 2018-07-10 | Apple Inc. | Force-detecting input structure | 
| US10664074B2              (en) | 2017-06-19 | 2020-05-26 | Apple Inc. | Contact-sensitive crown for an electronic watch | 
| US10962935B1              (en) | 2017-07-18 | 2021-03-30 | Apple Inc. | Tri-axis force sensor | 
| US11360440B2              (en) | 2018-06-25 | 2022-06-14 | Apple Inc. | Crown for an electronic watch | 
| US11561515B2              (en) | 2018-08-02 | 2023-01-24 | Apple Inc. | Crown for an electronic watch | 
| CN211293787U              (en) | 2018-08-24 | 2020-08-18 | 苹果公司 | Electronic watch | 
| US12259690B2              (en) | 2018-08-24 | 2025-03-25 | Apple Inc. | Watch crown having a conductive surface | 
| US11181863B2              (en) | 2018-08-24 | 2021-11-23 | Apple Inc. | Conductive cap for watch crown | 
| US11194298B2              (en) | 2018-08-30 | 2021-12-07 | Apple Inc. | Crown assembly for an electronic watch | 
| CN209625187U              (en) | 2018-08-30 | 2019-11-12 | 苹果公司 | Electronic Watches and Electronic Devices | 
| US11194299B1              (en) | 2019-02-12 | 2021-12-07 | Apple Inc. | Variable frictional feedback device for a digital crown of an electronic watch | 
| US11550268B2              (en) | 2020-06-02 | 2023-01-10 | Apple Inc. | Switch module for electronic crown assembly | 
| US12092996B2              (en) | 2021-07-16 | 2024-09-17 | Apple Inc. | Laser-based rotation sensor for a crown of an electronic watch | 
| US12189347B2              (en) | 2022-06-14 | 2025-01-07 | Apple Inc. | Rotation sensor for a crown of an electronic watch |