Steven John Sfarzo

20090174462, Jul 9, 2009

Sep 30, 2008

12/242904

Chad A. Bronstein - Sunnyvale CA, US
Chris Ligtenberg - San Carlos CA, US
Steven J. Sfarzo - Los Gatos CA, US

Apple Inc. - Cupertino CA

H03K 17/96
G06F 1/16
H01S 4/00
G06F 3/041

327517, 345173, 295921

Electronic devices may be provided with one or more input components and one or more circuit boards. An input component may include sensor circuitry supported by a first circuit board and controller circuitry supported by a second circuit board. In other embodiments, the sensor circuitry may be coupled to a first portion of a first surface of a circuit board and the controller circuitry may be coupled to a second portion of the first surface of the same circuit board. The input component may be a multi-touch input component, such as a multi-touch trackpad.

20110185208, Jul 28, 2011

Sep 30, 2010

12/895702

Derek Iwamoto - Sunnyvale CA, US
Steven J. Sfarzo - Los Gatos CA, US
Ryan Schmidt - San Jose CA, US
Derrick Carty - Los Altos CA, US
Keith Cox - Sunnyvale CA, US

APPLE INC. - Cupertino CA

G06F 1/32

713323

A data processing system that uses memory power reduction in a sleep state. The system can include a volatile memory and at least one data input peripheral and a logic circuit that is configured to manage power consumption of the data processing system for a sleep of the system. The logic circuit can be coupled to the volatile memory and can be configured to turn off power to the volatile memory in response to an event, occurring during the sleep state, but to otherwise remain in the sleep state. The sleep state can be an ACPI complaint S3 sleep state in which the volatile memory, such as DRAM, is powered off after a period of user inactivity during the S3 sleep state.

20130278171, Oct 24, 2013

Oct 24, 2012

13/659888

Shimon Elkayam - San Jose CA, US
Asif Hussain - San Jose CA, US
Brad Lee Patton - Campbell CA, US
Steven J. Sfarzo - Los Gatos CA, US
Eric G. Smith - San Jose CA, US

Apple Inc. - Cupertino CA

H05B 37/02

315294, 315291

One embodiment of a display backlight driver integrated circuit can be configured for operation in at least two different ways. A first method transfers data from an EEPROM to hardware registers prior to regular operation. A second method also transfers data from an EEPROM to registers. However, hardware registers can be overwritten with data accepted from a control bus, prior to regular operation. A keyboard driver IC can detect the presence or absence of a cable to an LED. If the cable is absent, the driver IC will not supply power for the LED. One embodiment of a keyboard and display backlight control system can be configured to allow substantially independent operation.

20130278175, Oct 24, 2013

Oct 24, 2012

13/659890

Eric G. Smith - San Jose CA, US
Steven J. Sfarzo - Los Gatos CA, US

Apple Inc. - Cupertino CA

H05B 37/02

315297

One embodiment of a display backlight driver integrated circuit can be configured for operation in at least two different ways. A first method transfers data from an EEPROM to hardware registers prior to regular operation. A second method also transfers data from an EEPROM to registers. However, hardware registers can be overwritten with data accepted from a control bus, prior to regular operation. A keyboard driver IC can detect the presence or absence of a cable to an LED. If the cable is absent, the driver IC will not supply power for the LED. One embodiment of a keyboard and display backlight control system can be configured to allow substantially independent operation.

20130326251, Dec 5, 2013

Sep 26, 2012

13/628000

Fiyinfolu O. Adewale - San Mateo CA, US
Paul J. Costa - Sunnyvale CA, US
David R. Cox - Cupertino CA, US
Michael J. Giles - San Jose CA, US
Steven I. Kuo - Sunnyvale CA, US
Nicholas W. Ruhter - San Francisco CA, US
Steven J. Sfarzo - Los Gatos CA, US

Apple Inc. - Cupertino CA

G06F 1/26
G06F 1/32

713323

A method and apparatus for recovering from a low power state in a computing system is disclosed. In one embodiment of the method, the computing system enters the low power state from a standard power state after an activity detector indicates a user controlled peripheral device connected to the computer system has been inactive for a period of time. To enter the low power state, the method disconnects the user controlled peripheral device from a host controller, while continuing to supply power to the user controlled peripheral device and shutting off power to the host controller. The method returns the computer system to the standard power state when the activity detector indicates the user controlled peripheral device has become active. To return to the standard power state, power is restored to the host controller and the user controlled peripheral device is reconnected to the host controller.

20140075212, Mar 13, 2014

Sep 27, 2012

13/629385

Steven Lee - Fremont CA, US
Steven J. Sfarzo - Los Gatos CA, US

APPLE INC. - Cupertino CA

G06F 1/26

713300

The disclosed embodiments provide a system that manages power allocated through a set of bus interfaces on a computer system. During operation, the system obtains a first request for revocable current beyond a reserved current for a first bus interface from the set of bus interfaces, wherein the request is associated with a first device connected to the first bus interface. Next, the system allocates the revocable current to the first bus interface from an extra-current budget for the set of bus interfaces. Upon detecting a connection of a second device that requires non-revocable current over the extra-current budget to a second bus interface from the set of bus interfaces, the system transmits a first notification to the first device to relinquish the revocable current. Finally, the system allocates the non-revocable current to the second device from the relinquished revocable current.

20090169977, Jul 2, 2009

Sep 30, 2008

12/242898

Steven J. Sfarzo - Los Gatos CA, US
Robert L. Bailey - Aptos CA, US
Bradley L. Spare - Oceanside CA, US

Apple Inc. - Curpertino CA

H01M 6/00
H01M 6/50

429 50, 429 61

Systems and methods for monitoring and responding to forces influencing batteries of electronic devices are provided.

20190198480, Jun 27, 2019

Jan 9, 2019

16/243563

- Cupertino CA, US
William H. Radke - Los Gatos CA, US
Steven J. Sfarzo - Los Gatos CA, US

H01L 25/065
G11C 5/06
H01L 23/538
G11C 5/04
H01L 23/00

Memory packages, memory modules, and circuit boards are described. In an embodiment, single channel memory packages are mounted on opposite sides of a circuit board designed with a first side also designed to accept dual channel memory packages. Alternatively, dual channel memory packages may be mounted on a first side of a circuit board that is also designed to accept single channel packages on opposite sides.